Look!Someone _______ the classroom．
Well，it wasn't me．I didn't do it．（ ）
| A． |
is cleaning |
B． |
was cleaning |
| C． |
has cleaned |
D． |
will clean |
Mr Liu is a wise man， and he often gives us a few_____．（ ）
A．suggestionsB．advice
C．hobbiesD．knowledge
Excuse me，____is Xuefeng Park from the hotel？
It's about twenty minutes by bus．（ ）
A．how muchB．how soonC．how farD．how often
My bike was broken yesterday， so I____walk home．（ ）
A．mightB．had toC．mustD．could
Do you know the boy____is talking to Mr Zhang？
Yes． He is our monitor．（ ）
A．whichB．whoC．whoseD．whom
In the end， Mr Song came up____a good method to solve the problem．（ ）
A．forB．atC．inD．with