As environment protection is becoming _______ public concern, _______ government is determined to pay more attention to the issue.
| A．不填；the | B．a; 不填 | C．the; a | D．a; the |
Hand in hand with reading, Dave ____ the habit of making notes.
| A．caused | B．brought | C．created | D．developed |
In the past few years, Chinese scientists ________ great success in the field of space flight.
| A．achieved | B．have achieved | C．won | D．had won |
History is _______ a subject which only lets us know something in history..
| A．not more than | B．less than | C．more than | D．no more than |
I’m ____your class today so you must do ____ I tell you.
| A．in charge of; as | B．instead of; what | C．in the form of; like | D．looking at; as |
—When will Mother come back?
—She _____ to be here by eight o’clock tonight.
| A．is supposing | B．supposed | C．was supposed | D．is supposed |