Shall I lock the lab before I go home?
__________. I’ll check it myself later.
A．Go ahead B．No problem C．No hurry D．Don’t bother.
Don’t laugh at people who are ______.
A．in troubles B．in a trouble
C．in trouble D．in many troubles
He worked hard, ______ he passed the exam.
A．in a result B．as result C．as a result D．for a result
Mr. Brown knows little Japanese, so he can’t understand the ______ on the bottle of the pills.
A．explanations B．introductions C．descriptions D．instructions
Travelling in space has been made __________ possible with the development of science and technology.
A．that B．/ C．it D．this
The book __________ of seven modules ,the seventh of which is revision .
A．consists B．is consisting
C．is consisted D．will be consisted
