These houses are sold at such a low price ________ people expected.

A．like

B．as

C．that

D．which

When I got back home I saw a message pinned to the door ________ “Sorry to miss you; will call later.”

A．read

B．reads

C．to read

D．reading

Robert is said ________ abroad, but I don’t know what country he studied in.

A．to have studied

B．to study

C．to be studying

D．to have been studying

Cleaning women in big cities usually get ________ by the hour.

A．pay

B．paying

C．paid

D．to pay

When I handed the report to John, he said that George was the person ________.

A．to send

B．for sending it

C．to send it to

D．for sending it to

The little time we have together we try ________ wisely．

A．spending it

B．to spend it

C．to spend

D．spending that

The number of students in our school is ________ than ________ in their school.

A．three times more; that

B．three times larger; that

C．three times as larger; those

D．three times bigger; one

His mother told him not to ________, ________ would be bad for his health.

A．stay up; which

B．stay up; that

C．keep up; what

D．keep up; which

He left the room with the electricity ________.

A．cut off

B．being cut off

C．cut down

D．being cut down

________ I admit that the problems are difficult; I don’t agree that they can’t be solved.

A．While

B．When

C．As

D．Because