We won’t start the meeting _________ our teacher arrives
| A．though | B． until |
| C． while | D． if |
This party was , and everyone felt .
A. boring; bored
B. bored; boring
C. boring; boring
--- Must I see the dentist at once？
--- No, you .
A. mustn’t B. can’t C. needn’t
Did you do interesting on vacation?
A. everything B. nothing C. anything
The answers our questions about watching TV were also interesting.
A. to B. of C. about
Daming is a ____boy.
A. 16 year old
B. 16—year—old
C. 16—years—old