—I looked after a group of fifteen French children.
—That _________ easy!
| A．mustn’t be | B．mustn’t have been |
| C．can’t have been | D．wasn’t |
--- Hi，Tom．Does John have any hobbies?
--- _______，swimming will appeal to him most strongly.
| A．If anything | B．If ever |
| C．If any | D．If so |
– Excuse me, but is it possible for me to meet Mr. Smith in his office this afternoon?
– ________. How about 4:30?
| A．Not really | B．I am sure |
| C．Let me check | D．Never mind |
The refugee crisis（难民危机） in Europe, if ________ properly, can lead to serious social problems.
| A．not handled | B．not being handled |
| C．not to be handled | D．not having been handled |
It is generally cold and dry here in autumn, but sometimes, it ________ also be warm and rainy.
| A．may | B．should | C．must | D．can |
Thanks to the immediate measures taken by the central government, the economy of China ________ soon after the global financial crisis.
| A．took up | B．rose up | C．picked up | D．put up |