The Big Ben, _______ we visited during a recent trip to Britain, is one of London’s tourist attractions.
| A．which | B．what | C．that | D．where |
—Was it still there _______ you were away to answer the phone?
—There is no doubt about it.
| A．that | B．which | C．where | D．while |
--- 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 |