I would appreciate ______ very much if you could give me some suggestions.
| A．this | B．it | C．that | D．you |
The Thinker, head in hand, resting his right arm on his left knee, gained its current title when ______ in Paris in 1890.
| A．exhibiting | B．exhibited | C．was exhibited | D．being exhibited |
Poor as she was, she was eager for attention. Thus she had to think of borrowing some jewels to ______ at the party.
| A．show up | B．show out | C．show in | D．show off |
A ______ identification card is required when you purchase foreign money from the Bank of China.
| A．valid | B．perfect | C．beneficial | D．flexible |
It ______ me all of a sudden that I had left my key to the car in the office.
| A．thought | B．struck | C．happened | D．occurred |
______ there are living creatures in the outer space as those on Earth hasn’t been proved so far.
| A．When | B．How | C．If | D．Whether |