－ What do you usually do at weekends?
－I often practice ____English.
A. speak B. to speak C. speaking
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 |
______ of the coats ________ made of cotton. They feel comfortable.
| A．Two-thirds; is | B．Two-thirds; are | C．Two-third; is | D．Two-third; are |