ANo, I already have plans.
BI'd love to, but I'm busy tonight.
CNo, I really don't like being with you.
DI'm ill, so I shouldn't go out.
第1题：
Can you go skating with us this afternoon?
Sorry,I can't. I()take care of my little sister at home.
A. could
B. may
C. have to
第2题：
A.Do you know what to say to a person on his birthday
B.It takes us about 45 minutes to go to the station
C.we can see buses come and go in a busy street
D.It is too late to catch the 9:30 train
答案：C
解析：感官动词see, watch, observe, look at, hear, listen to, notice 等和使役动词have 后面的宾补有三种形式，即原形动词（不带to 的不定式）、现在分词和过去分词。现在分词表主动或正在进行，过去分词表被动或完成，动词原形表主动和完成；由选项中可知，C选项中see sth do ；后面接原形动词（不带to 的不定式）做宾补，故选C
第3题：
A、Yes, I am.
B、No, I will come.
C、Yes, no wonder.
D、I can't make it today. How about tomorrow?
第4题：
第5题：
Sorry to hear you can-t go to the concert tonight，maybe a time．
第6题：
A、Will you go on a picnic with us tomorrow
B、I have a lot of things to do during the summer break
C、Will you go with us to visit the Great Wall
D、What are you going to do during the summer break
第7题：
You must tell us what you are doing at ten yesterday evening .()
第8题：
A.go away
B.go over
C.go ahead
D.go off
第9题：
第10题：
Would you like to go to a concert this evening?（）
AOK. Let's go.
BYou are welcome
CBut I have nothing else to do.
DNot bad.