We_______on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
I prefer ________ the movies rather than ________ home.
| A．go to; stay | B．to go to; stay |
| C．going to; staying | D．to go to; staying |
At the meeting, the old man ______ some good advice about bringing down the market price of onion.
| A．came about | B．came along | C．came up with | D．came out |
We were swimming in the lake _____ suddenly the storm started.
| A．when | B．while | C．until | D．before |
Alice didn’t want her parents to know.
| A．what has she done | B．what was she doing |
| C．how she had done | D．what she was doing |
It tookbuilding supplies to construct these energy-saving houses. It took brains, too.
| A．other than | B．more than | C．rather than | D．less than |