Only ______ a human being.
| A．when is it hungry a lion will attack | B．when it is hungry a lion will attack |
| C．when it is hungry will a lion attack | D．when is it hungry will a lion attack |
The Beijing express had _____ on time when we hurriedly got to the platform.
| A．pulled on | B．pulled out | C．pulled round | D．pulled off |
. —Have you thought of a topic for your speech yet?
—No, I______a lot about it, but I haven’t decided.
| A．will think | B．have been thinking | C．had thought | D．was thinking |
The users of this new mobile phone can check e-mails _____ they happen to be.
| A．whatever | B．wherever | C．what | D．where |
What_____pleasant surprise! I’ll tell Richard about it____minute he comes home.
| A．a, the | B．a, a | C．a, / | D．/, the |
----- I’m sorry, but we really can’t offer you the job if you haven’t get a higher education.
----- What a pity! I___________ hard at high school.
| A．must have worked | B．should have worked | C．may have worked | D．should work |