If you meet new words while reading, you can ______the dictionary, but not too often.A.ask for B.pick up C. turn to
—Do you believe there are aliens? —I’m afraid not.I don’t think aliens________in space. A.can find B.can be found C.can’t be found
This kind of bicycle________in Tianjin.
I can’t hear you.Would you please speaK________?
Food and drink should________to be brought into the reading room.
Attention,please!All the mobile phones must________before the meeting starts.