1 have already done
2 did
3 has just come
4 cake
5 played
6 has already come
7 read
8 have read
9 have never been
10 have you ever been. ..?
11 have you ever seen. ..?
12 haven't eaten
13 didn't eat
14 did you play. ...?
15 have you played....?
16 what have you prepared. ..?
17 has made, made
18 where did you put..?
19 have you seen...?
20 when did you see...?
21 saw
22 did your mother promise...?
23 have made
24 he has fallen, did he fall, fell
<span><span>I'm</span><span>having difficulty</span><span>learning languages,</span><span>especially when I</span><span>study them</span><span>independently.</span><span>First,</span><span>I learn</span><span>pronunciation,</span><span>grammar,</span><span>and then</span><span>, I try to</span><span>make</span><span>meaningful sentences.</span><span>If I can not</span><span>understand the language</span><span>, I</span><span>quickly</span><span>give up</span><span>it.</span></span>
a
1. He’s playing
2. Do your parents live
Have
3. Do you go
Think
4. is sleeping
doesn’t usually sleep
b
1. A: Hi, Sarah! What are you doing here?
B: I am waiting for a friend.
2. A: Let’s have lunch. Do you like hamburgers?
B: No, sorry. I’m vegetarian. I don’t eat meat.
3. A: Listen! The neighbours are having a party again.
B: They have a party every weekend!
4. A: What does your boyfriend do?
B: He’s a teacher. He works at the local school.
5. A: Hi, Lisa. Where are you going?
B: To the gym. I go to the gym every evening.