--How many girls are there in your class ?
-- _______ them _______ over twenty.
| A．A number of; are | B．The number of; are |
| C．A number of; is | D．The number of; is |
My sister ______ go to bed _______ my mother came back last night.
| A．not until | B．doesn't; until | C．didn't; until | D．aren't; until |
Mary’s grandpa is always ______ in the mountain village. He tells her he feels very______. So she’s going to visit him next week.
| A．alone; alone | B．lonely; lonely | C．lonely; alone | D．alone; lonely |
They argued _________ each other ________ the math problem yesterday.
| A．about; with | B．with; to | C． to; at | D． with; about |
__________ important for children __________ on themselves.
| A．That`s; to depend | B．It`s; to depend |
| C．That`s; depending | D．It`s; depending |
The book isfor us to read.
| A．good enough | B．enough good | C．too good | D．too well |