Mary is going to practice _______ basketball every day.
Please stop________a noise in the classroom.I can’t stand it.
________should not be allowed to go out at night.
—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________?