. — I don’t know whether I should go abroad or not, Mum.
— I leave _______ to your own judgment whether you should do it.
| A．that | B．it | C．this | D．what |
_______ Tom, we wouldn’t have been late for the last bus.
| A．If we didn’t wait for | B．If we haven’t waited for |
| C．we hadn’t waited for | D．Had we not waited for |
The twin brothers stand under the tree, ______ and say nothing.
| A．puzzled | B．puzzling | C．being puzzling | D．being puzzled |
. ________ that I was puzzled.
| A．So difficult a question did he ask me |
| B．Such difficult a question did he ask me |
| C．Such a difficult question he asked me |
| D．He asked me a so difficult question |
The factory, including its machines and buildings, ______ burnt to ashes during the fire.
| A．is | B．are | C．was | D．were |
– Are you cleaning my room?
– I can’t help _____. I can’t bear seeing people’s room in a mess!
| A．it | B．this | C．anything | D．so |