﹣Excuse me．Where is ________ school library？﹣This way，please．（ ）
| A． |
an |
B． |
the |
C． |
a |
What _____ it is to go horse riding __________ weather!
| A．a great fun; on so fine |
| B．great fun; on such a fine |
| C．a great fun; in so fine a |
| D．great fun；in such fine |
________ great scientist Qian Xuesen is!
| A．How | B．How a | C．What | D．What a |
（）I think _______ necessary for you _______ breakfast.
| A．this; have | B．that; to have |
| C．it’s; to have | D．it’s; have |
The workers were made _____ the whole day.
| A．work | B．to work | C．worked | D．working |
He often plans_________ a very relaxing vacation.
A. having B. have C. to have