Thank you for sending us ___________ fresh vegetables of many kinds. You have offered us __________ great service.
| A．不填, a | B．the, 不填 | C．不填, 不填 | D．不填, the |
.
The police found that the house ________ and a lot of things ______
| A．had broken into; had been broken | B．had been broken into; stolen |
| C．has been broken into; stolen | D．has been broken into ; has bee broken |
.
--- It’s already 9:00 o’clock, but he hasn’t turned up yet.
--- He ______ in the traffic jam.
| A．could have caught | B．should have caught |
| C．must catch | D．would have caught |
.
_______ of such a long and boring meeting, the little turned to his favorite music on MP3.
| A．Having tired | B．Tiring | C．To tire | D．Tired |
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. Although I have four topics ________ , I still don’t know what to write about.
| A．choosing from | B．to choose | C．to choose from | D．to be chosen |
.
It’s already 11 o’clock and nobody answers the phone. George ________ asleep now.
| A．must be | B．must have been | C．should be | D．should have been |