I'm sorry for causing you so much trouble．
（ ）
A．You are kind．B．It is certain．
C．It doesn't matter．D．I am sorry，too．
I know what you are thinking about． I can ______ your mind from the look on your face．（ ）
| A． |
stay |
B． |
spare |
C． |
read |
D． |
attend |
Air pollution will remain a problem for a long time， ______ we have done a lot to solve it．（ ）
| A． |
though |
B． |
since |
C． |
unless |
D． |
if |
He was once ______ killed in a car accident several years ago．（ ）
| A． |
completely |
B． |
sadly |
C． |
exactly |
D． |
nearly |
As we all know， a person learns many things by making mistakes and ________ them．（ ）
| A． |
corrects |
B． |
correct |
C． |
to correct |
D． |
correcting |
Excuse me， where is the nearest bank？
Go straight ahead； you ______ miss it．（ ）
| A． |
mustn't |
B． |
can't |
C． |
needn't |
D． |
shouldn't |