You can’t imagine what great trouble they have _____ the problem _____.
| A．to solve; being talked about | B．solving; discussing |
| C．to solve; to talk about | D．solving; being discussed |
. Tommy’s parents thought he was at school, but _______ he was in an Internet bar.
| A．actually | B．at present | C．especially | D．fortunately |
The boy asked his mother _______ go out to relax himself or not.
| A．whether could he | B．if he could |
| C．that he could | D．whether he could |
---Excuse me, Dad, but I'm going to the club to meet my friends in the football team.
--- Ok. _____.
| A．Good luck | B．Congratulations | C．With pleasure | D．Have fun |
Paper money was in_______use in Chinawhen Marco Polo visitedthe country in________thirteenth century.
| A．the;x | B．the;the | C．x;the | D．x;x |
—Doyoumindmysmokinghere?
—________
| A．No,thanks. | B．No.Goodidea. |
| C．Yes,please. | D．Yes.Betternot. |