At first the experiment went on well, but ______ problems we hadn’t expected turned up later and it failed.
| A．outstanding |
| B．curious |
| C．powerful |
| D．various |
Johnson ____ for 5 years for political reasons when he was young.
| A．was put in prison | B．was in the prison | C．got out of prison | D．was in prison |
He_________ to paint the whole house but finished only the front .
| A．set about | B．set off | C．set out | D．set in |
．After a long walk, the little boy got home at last, ________.
| A．tiredly and hungrily | B．tiring and hungry |
| C．tired and hungrily | D．tired and hungry |
--- I’ll be away on a business trip. Would you mind looking after my cat?
--- Not at all. ____.
| A．I’ve no time | B．I’d rather not | C．I’d like it | D．I would be happy to |
. It was at twelve o’clock ___ we finally arrived at the village ____ we spent our happy childhood.
| A．that; that | B．when; that | C．when; what | D．that; where |