—I’m sorry I have failed again in the math exam．
— ？You’ve been working hard at the subject．
| A．How | B．How come | C．Why not | D．When |
.
It’s necessary to be prepared for a job interview. ________ the answers ready will be of great help.
| A．To have had | B．Having had | C．Have | D．Having |
.
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 |