Some aspects of a pilot’s job ___ be boring and pilots often ___ work at inconvenient times．
A．can，have to B．may，can
C．have to，may D．ought to，must
---Do you mind my opening the window？
---______，as a matter of fact．
A．Go ahead B．Yes，my pleasure
C．Yes，I do D．Come on
There are ___ products to be sold in the factory store．Which is not correct in the following？
A．a large number of B．quantities of
C．a large amount of D．a great many
--- What’s up？You look down．
--- I have piles of papers___，but I type so slowly．
A．to be typed B．typed
C．to type D．being typed
--- Are you satisfied with her answer？
--- Not at all．It couldn’t have been ______．
A．any worse B．so bad
C．much better D．the worst
The party we had been looking forward to ____ to be a great disappointment．
A．turned up B．turned out
C．turning up D．turning out
