You may use the room as you like ___ you clean it up afterwards.
A. so far as B. so long asC. in caseD. even if
第1题：
A、if you may
B、if you do
C、if not
D、if so
第2题：
Wang (guest): That was a delicious dinner. Mrs. Willis (hostess): ______. Would you like to go to the living room now? It's more comfortable there.
A．Thank you. Don't mention it
B．You're welcome
C．Not so delicious, I'm afraid
D．I'm glad you enjoyed it
第3题：
—The light in his room is still on. Do you know??____________?
—In order to prepare for the coming exam.
A. if he works hard B. why he stays up so late
C. why is he so busy D. when he will stop working
第4题：
().
I need to look for some papers to add to my research report.
A. Do you like the library in our school?
B. How many papers have you read so far?
C. Why not comfortably stay at home to log onto the Web?
第5题：
Some of you may have finished unit one. _____ , you can go on to unit two.
A. If you may
B. If you do
C. If not
D. If so
第6题：
Speaker A．. I like your sweater. It suits you very well.
Speaker B: _________It's a present from my girlfriend.
Speaker A: She certainly has the taste.
A． Want to know how come?
B． I like it so much.
C． Thank you for saying it.
D． You may take it.
第7题：
8．— _________do you clean your room?
—I clean it every day．
A． How long
B． How often
C． How soon
D． How far
第8题：
A.your coming
B.that you come
C.you to come
D.that you have come
第9题：
You can go out,()you promise to be back before 12 o'clock.
A. so far as
B. as far as
C. as long as
第10题：
I'm so excited to meet you. May I introduce myself to you? ()
A. Nice to see you.
B. Sure.
C. You are welcome.
答案：B
解析：句意是：很高兴见到你。我可以自我介绍一下吗？当然可以。
A、很高兴见到你
B、当然可以
C、不客气
根据语意环境，应该选B。