7. This is the lion which has been ill recently.

N (vật) + which + V /S + V 

8. The man who was driving the car was badly injured.

N (người) + who + V 

9. The children who live in the next street broke the window.

N (người) + who + V 

10. That's the woman whom I was telling you about.

N (người) + whom + S + V 

1. Although the books are interesting, they do not like reading them.

Although + clause, clause: mặc dù 

S  +be + ADJ 

2. It's very good to play tennis.

It's + ADJ + to V 

3. Đúng 

4. I wish I could play the piano.

S + wish(es) + S+ could + V1: ước ở hiện tại 

5. He said that he would have a day off the next day.

S + said + (that) + S+ V (lùi thì)

will --> would 

tomorrow --> the next day / the following day

6. An English speaking contest will be held here.

S + will be + V3/ed: bị động - thì TLĐ

7. The last time I ate fish was two weeks ago.

The last time + S+  V2/ed + was +time 

`color{orange}{~MiaMB~}`