Our teacher often tells us __________ homework carefully(认真地).
| A．to do | B．doing |
| C．do | D．does |
--- Which one did he choose from those watches?
--- He said he _______ the one made in Shanghai.
| A．has chosen | B．had chosen | C．chooses | D．will choose |
---Hi. Lucy! What’s wrong with you? You look so worried.
---I have many problems to solve, but I don’t know ___________ first.
| A．how to deal with | B．when to deal with | C．what to deal with | D．how to do with |
---I find the more we study, the more difficulty we have ________ out Maths problems.
---Oh, I agree with you. Maths is more and more difficult.
| A．worked | B．work | C．works | D．working |
---What a mess(杂乱)! Tony, you should ___________ your things to keep the room clean.
---OK, Mum! I’ll do it at once.
| A．put up | B．put on | C．put away | D．put out |
---Where was your sister at this time yesterday evening ?
---She was writing an e-mail ______ I was watching TV at home.
| A．after | B．as soon as | C．while | D．until |