---The excellent student is said ________in Germany last year .
--- No wonder he has a good command of German .
| A．to study | B．to be studying |
| C．to have studied | D．studied |
The meeting __________ three hours last night, which made us very tired.
| A．covered | B．had | C．lasted | D．referred |
If you are worried that the tickets will be sold out, you can buy one __________.
| A．in time | B．in advance | C．on time | D．from time to time |
—Shallwe go to the art exhibition right away?
—__________.
| A．It's your opinion |
| B．I don't mind |
| C．It's all up to you |
| D．That's your decision |
—What was the party like?
—Wonderful. It's years __________ I enjoyed myself so much.
| A．after | B．when | C．before | D．since |
—Mary, new copies of Harry Potter are on __________ now.
—Great! Let's go and buy one this afternoon.
| A．sale | B．holiday | C．condition | D．rise |