-I can’t decide ______.
-You mean the purple blouse or the blue one?
| A．what to buy | B．which to choose |
| C．which should I take | D．how I will make the choice |
________ does it take you to do your homework every day?
| A．How often | B．How long |
| C．How many | D．How far |
---How often do I need to feed the birds?
---They______ food every day, or they will be hungry.
| A．must give | B．mustn’t give |
| C．must be given | D．mustn’t be given |
The old temple _______ a lot of tourists from all over the world so far.
| A．has attracted | B．attracts |
| C．attracted | D．will attract |
---I don’t know where to find something about the rainforest.
---Why ______on the Internet? There is a lot of information about it.
| A．don’t go | B．not to go |
| C．not going | D．not go |
Look at the sign! It says: You______ park your cars here.
| A．mustn’t | B．needn’t |
| C．shouldn’t | D．can’t |