--The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
---____ my students have a try?
| A．May | B．Must | C．Will | D．Shall |
________is often the case, the weather has turned out well as expected.
| A．Which | B．When | C．What | D．As |
As far as I see, ______ is no possibility ________ she will lend me a hand.
| A．it; that | B．there; that | C．at; whether | D．there; whether |
When the middle-aged man was visiting his girlfriend, she demanded that he _______ his beard.
| A．shaved | B．had shaved | C．would shave | D．shave |
--- What on earth did the manager want to know, Jim?
--- ____ that we could finish the project.
| A．What it was | B．What was it | C．When was it | D．When it was |
Don’t take any measures on your own before you ____ your doctor if the pain continues.
| A．confirm | B．consult | C．abolish | D．adapt |