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7.
I have studied English
4 years.
A. in
B. for
C. with
D. since
"Can you help me carry my bags?"
A. No, thanks.
C. Certainly. I'll help you.
Why don't you participate
A. on
"May I help you?" "
A. I'm sorry. I'm really busy.
C. Nice to meet you, Nam
8.
B. I'd love to
D. You're welcome.
this activity?
C. with
9.
В. at
D. in
10.
B. Yes. That's very kind of you.
D. What can I do for you?
11. You need that shirt.
C. buying
D. for buying
B. to buy
12. Ten countries participated in the discussions
A. took part
13. If you want to join the library, you'll need to fill
A. buy
C. told
an application form.
C. at
B. hold
D. took
A. on
В. to
D. out