Yang Ming， could you please teach me Chinese？
_______．（ ）
A．Not at allB．It is not a big deal
C．With pleasureD．That's all right
﹣ You are always there for me when I am in trouble．
﹣ That's what a friend should do．（ ）
| A． |
in fear |
B． |
in difficulty |
C． |
in surprise |
﹣ Your English teacher is very humorous．
﹣ Exactly． She is very popular with us．（ ）
| A． |
friendly |
B． |
outgoing |
C． |
funny |
﹣Tom， let's go to play basketball．
﹣ I'd love to． But I have to completemy homework first．（ ）
| A． |
check |
B． |
finish |
C． |
correct |
—The air pollution is terrible．
—It will be worse________we take action to protect the environment．
| A．if |
| B．unless |
| C．until |
| D．when |
—How long________you________？
—For about two years．
| A．have；married |
| B．did；married |
| C．have；been married |
| D．have；got married |