A. caught B. carried out C. attack D. enemy

A. While B. was working C. surgeon D. was writing

A. ambitious B. was expanding C. Russian D. was ruling

A. heroes B. admire C. was fighting D. bravely

A. didn't have B. but C. got D. married

A. A / the B. The / a C. The / ∅ D. The / the

A. were driving - was calling B. drove - called C. were driving - called D. drove - was calling

A. An / the B. An / a C. An / ∅ D. The / ∅

A. happen B. happened C. was happening D. would happen

A. waited - showed B. would wait - showed C. were waiting - were showing D. waited - was showing

A. the / the B. a / the C. an / the D. an / ∅

A. had - came B. were having - came C. had been having - came D. have had - would have come

A. were telling - came - looked B. would tell - would visit - would look C. told - would come - were looking D. tell - are coming - will look

A. make B. go C. set D. take

A. was going to go - realized B. went - realized C. had gone - would realize D. would go - have realized

A. does - starts B. did - started C. was doing - was starting D. has done - would start

A. specialist B. richness C. identity D. shock

A. wasn't looking - was falling B. didn't look - has fallen C. wasn't looking - fell D. won't look - fall

A. was - was sailing B. was being - was sailing C. had been - sailed D. was - sailed

A. the / the B. a / the C. an / the D. an / ∅

A. was - hoped B. is - have hoped C. have been - were hoping D. was being - had hoped

A. was working B. works C. worked D. is working

A. for B. about C. to D. on

A. a B. an C. no article D. The

A. invented - worked B. was invented - was working C. was invented - worked D. was inventing - was working

A. the B. any C. ∅ D. a

A. winning B. was winning C. won D. has won

A. the - the - the B. the - a - a C. a - a - the D. the - ∅ - ∅

A. propose B. decompose C. release D. judge

A. Industrialisation B. Globalisation C. Cooperation D. Competition

A. the - ∅ B. the - the C. ∅ - ∅ D. a - the

A. An / the B. An / a C. An / ∅ D. The / ∅

A. the - the B. ∅ - the C. a - the D. a - a

A. the - the - the B. the - a - a C. a - a - the D. the - ∅ - ∅

A. told B. tell C. was telling D. is telling

A. to B. at C. of D. on

A. to B. at C. of D. on

A. the B. any C. ∅ D. a

A. sensor B. notice C. ecotour D. awareness

A. a B. the C. some D. ∅

A. automatic B. contaminated C. festive D. coloured

A. A - the B. The - the C. A - a D. A - ∅

A. air conditioners B. bamboo straws C. gift tags D. private vehicles

A. a B. the C. some D. ∅

A. chemical B. recycled C. bottled D. leaking

A. the - the B. a - the C. ∅ - the D. the - a

A. on B. for C. at D. in

A. a B. the C. any D. ∅

A. no article B. the C. a D. An

A. the B. a C. an D. ∅

A. efficient B. single-use C. reusable D. environmental-friendly

A. the - the - the B. the - a - a C. a - a - the D. the - ∅ - ∅

A. take care of B. use C. keep D. conserve

A. environment-friendly B. environmentally-friendly C. environmental-friendly D. environmental-friend

A. sustainable B. conserving C. preserving D. supporting

A. reprocess B. reclaim C. recycle D. reuse