Mai Kim Ngan Nguyen

III. Choose the correct answer A, B, C, or D.

1.      In the future, many cars will run ________ electricity, which doesn’t cause air pollution.

            A. in                             B. on                                        C. by                                        D. with

2.      You should turn the tap ________ when you brush your teeth to save water.

            A. up                            B. down                                   C. on                                        D. off

3.      You should donate your old clothes, toys and furniture to people in ________.

            A. order                       B. fact                                      C. need                                    D. case

4.      ________ robots can help to teach children in the classroom, they will never replace teachers.

            A. When                      B. Although                              C. Because                               D. If

5.      There are lots of ________ problems nowadays, mainly because of pollution.

            A. natural                    B. social                                   C. practical                              D. environmental

6.      To ________ waste we should avoid buying products with a lot of packaging.

            A. recycle                    B. reuse                                   C. reduce                                 D. remake

7.      ‘Will robots be more and more expensive?’ ‘_______ Prices will become cheaper over time.’

            A. Not at all.                B. Sure.                                    C. Sounds great!                     D. I think so.

8.      The Amazon River is ________ river in the world.

            A. the wider                B. wider than                           C. the widest                           D. widest

Dân Chơi Đất Bắc=))))
13 tháng 3 2022 lúc 10:21

1.      In the future, many cars will run ________ electricity, which doesn’t cause air pollution.

            A. in                             B. on                                        C. by                                        D. with

2.      You should turn the tap ________ when you brush your teeth to save water.

            A. up                            B. down                                   C. on                                        D. off

3.      You should donate your old clothes, toys and furniture to people in ________.

            A. order                       B. fact                                      C. need                                    D. case

4.      ________ robots can help to teach children in the classroom, they will never replace teachers.

            A. When                      B. Although                              C. Because                               D. If

5.      There are lots of ________ problems nowadays, mainly because of pollution.

            A. natural                    B. social                                   C. practical                              D. environmental

6.      To ________ waste we should avoid buying products with a lot of packaging.

            A. recycle                    B. reuse                                   C. reduce                                 D. remake

7.      ‘Will robots be more and more expensive?’ ‘_______ Prices will become cheaper over time.’

            A. Not at all.                B. Sure.                                    C. Sounds great!                     D. I think so.

8.      The Amazon River is ________ river in the world.

            A. the wider                B. wider than                           C. the widest                           D. widest

Sunn
13 tháng 3 2022 lúc 10:22

III. Choose the correct answer A, B, C, or D.

1.      In the future, many cars will run ________ electricity, which doesn’t cause air pollution.

            A. in                             B. on                                        C. by                                        D. with

2.      You should turn the tap ________ when you brush your teeth to save water.

            A. up                            B. down                                   C. on                                        D. off

3.      You should donate your old clothes, toys and furniture to people in ________.

            A. order                       B. fact                                      C. need                                    D. case

4.      ________ robots can help to teach children in the classroom, they will never replace teachers.

            A. When                      B. Although                              C. Because                               D. If

5.      There are lots of ________ problems nowadays, mainly because of pollution.

            A. natural                    B. social                                   C. practical                              D. environmental

6.      To ________ waste we should avoid buying products with a lot of packaging.

            A. recycle                    B. reuse                                   C. reduce                                 D. remake

7.      ‘Will robots be more and more expensive?’ ‘_______ Prices will become cheaper over time.’

            A. Not at all.                B. Sure.                                    C. Sounds great!                     D. I think so.

8.      The Amazon River is ________ river in the world.

 

            A. the wider                B. wider than                           C. the widest                           D. widest


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