It is meeting side effect the new medicine will bring about, although the experts have tried it on about 2,000 patients.
A．that B．what C．whether D．which
Now methods need to be to use the existing water resources, for example, turning sea water into fresh water.
A．developed B．assumed C．abandoned D．purchased
More and more farmers arrive in our city for the money-making jobs the before leaving that Houston.
A．were promised B．have promised C．promise D．have been promised
Known to all, exercise is important for health, but it be regular exercise.
A．will B．must C．need D．shall
—Hello, this is China Eastern Airlines. What can I do for you?
—I’d like to two tickets to Beijing.
A．take B．bring C．order D．book
It’s good feeling for student’s to return to school after summer vacation.
A．a; the B．a; a C．a; the D．a; /
