giúppp mìnhhh zớii

25. A lot of gold medals were won in the 30th SEA Games by Vietnamese athletes.

S + was/were + V3/ed : bị động - thì QKĐ

26. The teacher asked me if I had ridden my bike to school the previous morning.

S + asked + O + if/whether + S + V (lùi thì)

QKD --> QKHT 

yesterday morning --> the previous morning / the morning before

27. If you are patient, you will be able to find out the answer to the question.

If 1: if + HTD, S + will/can/shall + V1 

28. He has not seen his grandparents for a long time.

S + has/have + not + V3/ed + for/since + time 

29. Jane plays guitar more nicely than her brother.

S + V +more + ADV + than + O : ss hơn 

30. Although the boy wasn't very strong, he could lift the heavy suitcase by himself.

Although + clause, clause: mặc dù 

`color{orange}{~MiaMB~}`