--- Don’t play with the knife, ______ you’ll cut your hand.
----Sorry, I ______ .
| A．so; can’t | B．and; won’t | C．but; mustn’t | D．or; won’t |
Though the old man didn’t have enough money, ________ he gave a thousand yuan to the charity.
| A．\ | B．and | C．but | D．or |
I wanted to know _________ last weekend.
| A．what Mary does | B．what does Mary do |
| C．what Mary did | D．what did Mary do |
----- What about going to the South Lake for a picnic next weekend?
----- OK. But I’m not sure ________ it will rain.
| A．why | B．where | C．when | D．whether |
----- How about climbing the hill?
----- I would rather ________ along the river than ________ the hill. I’m a bit tired.
| A．walk; climb | B．walking; climbing | C．walking; to climb | D．walk; to climb |
The man over there _________ be over fifty. He looks so young.
| A．mustn’t | B．must | C．can’t | D．can |