We must keep our room clean. Dirt and disease go _____, you know.
| A．from time to time | B．hand in hand | C．step by step | D．one after another |
I have kept that picture _____ I can see it every day as it always reminds me of my university days in London.
| A．in which | B．where | C．whether | D．when |
The room is in a terrible mess; it __________ cleaned.
| A．can’t have been | B．couldn’t be | C．may have been | D．would be |
--- How about the book you are reading?
--- Good indeed. It ___________ many problems we have come across in our study.
| A．says | B．talks | C．covers | D．refers |
--- It’s been a wonderful Halloween Party. Thank you very much.
--- ___________.
| A．My pleasure | B．I’m glad to hear that | C．No, thanks | D．It’s OK |
-- I have just had my watch repaired.
--- How much did they for that?
| A．cost | B．charge | C．spend | D．take |