He has given me so much help that I really wanted to do something for him ________.
A. in return B. by turns C. in turn D. in case
Mr. Li is absent today. What do you consider ________ to him?
A. happens B. is happened C. happening D. has happened
The reason ________ he refused to attend the meeting was that they didn’t give him an invitation earlier.
A. how B. which C. why D. because
Our English teacher requested that the homework ________ tomorrow morning.
A. would be handed in B. be handed in
C. hand in D. must be handed in
—The weather has been very hot and dry.
— Yes. If it had rained even a drop, things would be much better now. And my vegetables .
A. wouldn’t die B. didn’t die C. wouldn’t have died D. hadn’t die
A team of American scientists has found a treatment to protect humans from the deadly H5N1 flu virus, ________ brings great ________ to the world.
A. that; appearance B. which; relief C. which; advantage D. that; profit
