Could I smoke here？
Sorry．I am afraid you_____．Look at the sign "No smoking"!（ ）
A．couldn'tB．needn'tC．can'tD．won't
Nowadays， more and more schools have their own Internet classrooms to help students improve themselves． To make good use of Internet classrooms． students should _________．
①chat with their friends as often as possible
（2）search for useful information
③gel the latest（最新的） knowledge
④download resources for learning
⑤play as many computer games as possible（ ）
| A． |
①②⑤ |
B． |
③④⑤ |
C． |
②③④ |
_____ is the largest city with a population of more than four million people in Australia．（ ）
| A． |
London |
B． |
Sydney |
C． |
Paris |
Could you tell me _______？
I'm not sure． Maybe this weekend．（ ）
| A． |
how we'll clean up the city park |
| B． |
where shall we clean up the city |
| C． |
when we'll clean up the city park |
Qingdao is the most beautiful city ____ I've ever been to．
So it is． Many international meetings are held there every year．（ ）
| A． |
that |
B． |
which |
C． |
what |
What were you and your father doing at 7： 00yesterday evening？
I was doing my homework_____ my father was reading newspapers．（ ）
| A． |
when |
B． |
as soon as |
C． |
while |