Choose the best answer

Câu điều kiện loại 1 là câu .........

• có thực ở hiện tại.

• có thể xảy ra ở hiện tại hoặc tương lai.

• có thể xảy ra ở tương lai.

• có thực ở hiện tại,có thể xảy ra ở hiện tại hoặc tương lai.

Công thức câu điều kiện loại 1 là: ...

• V (hiện tại), S + will + V (nguyên mẫu)

• If + S + V (hiện tại), S + would + V (nguyên mẫu)

• If + S + V (hiện tại), S + will + V (nguyên mẫu)

• If + S + V (quá khứ), S + will + V (nguyên mẫu)

Choose the best answer

If we dump a plastic into the ground, it __________ a long time to disappear.

• A. will take

• B. take

• C. took

• D. takes

Choose the letter A, B, C or D to complete the sentences with given words

If /the factory /continues/into / dumping /poison the lake, all the fish /and other aquatic/ animals/ will die.

• If the factory continues poison dumping into the lake, all the fish and other aquatic animals will die.

• If the factory continues dumping poison into the lake, all the fish and animals other aquatic will die.

• If the factory continues dumping poison into the lake, the fish all and other aquatic animals will die.

• If the factory continues dumping poison into the lake, all the fish and other aquatic animals will die.

Choose the correct answer

If you (go) _ away, please write to me.

• go

• goes

• will go

• went

Put the verbs in brackets into the correct form.

We (save) ________________thousands of trees if we don’t waste paper.

Put the verbs in brackets into the correct form.

If Peter (travel)________________to work by bus, there will be fewer car fumes.

Put the verbs in brackets into the correct form.

If you (not/ read) ............................ these articles, you will not know the facts about Africa.

Choose the letter A, B, C or D to complete the sentences with given words

If he/ will/ has/ time, he / buy /her /some sweets.

• If he will have time, he will buy her some sweets.

• If he has time, he buy her some sweets.

• If he has time, he will buy her some sweets.

• If he has time, he would buy her some sweets.

Choose the underline parts that need correction.

If we will reduce the speed of population growth, there will be less pressure on the earth.

• will reduce

• population growth

• less

• on