IIl. Give correct form or tense of the verb. 15. If he studied harder, he (pass)..............the entrance exam 16. All buildings in Sweden (heat)............by solar energy in 2015. 17. It's a high time you (begin)..................... to study seriously 18. Ms Mi suggested (take) .............showers to save water. 19. I was pleased (hear).................you've been promoted.

Phương pháp để giải các câu hỏi 15-19 là điền đúng dạng động từ hoặc thì của động từ.

Câu trả lời:

15. If he studied harder, he would pass the entrance exam.
Hoặc: If he studies harder, he will pass the entrance exam.

16. All buildings in Sweden will be heated by solar energy in 2015.

17. It's a high time you began to study seriously.

18. Ms Mi suggested taking showers to save water.

19. I was pleased to hear that you've been promoted.

17. It's a high time you began to study seriously.

16. All buildings in Sweden will be heated by solar energy in 2015.

15. If he studied harder, he would pass the entrance exam.