We can’t work out the physics problem. Can you tell us ____?
| A．how to do | B．what to do it |
| C．how to do it | D．what should to do |
When he is free, he often helps his parents ________ some housework.
| A．does | B．do | C．doing | D．did |
--- What did the policeman say to you, Liu Ying?
--- He told me ______ my purse in the bicycle basket. It’s too dangerous.
| A．not put | B．to put | C．don’t put | D．not to put |
It was a great day ,____ we did not enjoy it at the beginning.
| A．and | B．but | C．or | D．then |
— Is there ___________ you’d like to buy?
— Yes, I’d like to buy some magazines.
| A．something else | B．else something |
| C．anything else | D．else anything |
You must be very tired. Why not ___________a rest?
| A．to stop to have | B．to stop having |
| C．stop to have | D．stop having |