________ exciting sport it is to go bike riding!
| A．What a | B．What an | C．What | D．How |
—Which sweater can you choose, the blue one or the red one?
—____ is OK, I think. Both go well with my trousers.
| A．Both | B．Either | C．Neither | D．None |
Many more trees should ____ this year.
| A．plant | B．be planted | C．planted | D．be plant |
—____ the workers are very tired, ____they keep on working.
— They are great. We must learn from them.
| A．Because; / | B．Though; / |
| C．Because; so | D．Though; but |
If Tony_____ to the corner this weekend, Bob will join him.
| A．has gone | B．are going | C．goes | D．went |
Her husband is a great cook. So she can enjoy _____ food every day.
| A．tasting | B．cooking | C．tasty | D．to cook |