—This physics problem is too difficult. Can you show me _______, George?
—Sure.
| A．what to work out | B．to work it out | C．how to work it out | D．how to work out it |
Simon_________ his fingers when he was cooking the dinner.
| A．burnt | B．was burning | C．has burnt | D．had burnt |
—Ann is in hospital.
—Yes,I know. I_________ her tomorrow.
| A．visit | B．used to visit |
| C．will visit | D．am going to visit |
—Do you know_________?
— He has gone to the museum.
| A．where he lives | B．where he is |
| C．how he is getting on | D．what’s wrong with him |
—Two Evening Papers，please!
—Only one copy left. Would you like to have_________,sir?
| A．one | B．it | C．this | D．that |
The number of giant pandas is getting _________ because their living areas are becoming farmlands.
| A．less and less | B．larger and larger |
| C．smaller and smaller | D．fewer and fewer |