____ Yang Liwei was trained for the space travel is what I want to know .
| A．How | B．That | C．What | D．Who |
—Where did you get this book?
—I picked it up from a secondhand bookshop if you ________ know.
| A．must | B．will |
| C．can | D．shall |
Jack is an outgoing child, usually kind and helpful, but he ________ lose temper sometimes.
| A．must | B．would |
| C．can | D．should |
________ a little earlier, you could have got a copy of his latest book.
| A．If you would arrive | B．If you arrived |
| C．Should you arrive | D．Had you arrived |
What's your opinion of Mr Li's request that we ________ spend half an hour reading English aloud every morning?
| A．must | B．would |
| C．should | D．could |
They advocate the proposal we were opposed ________ rediscussed at the next meeting.
| A．to be | B．should be |
| C．to was | D．was |