Please stop________a noise in the classroom．I can’t stand it．
A．make
B．to make
C．making
D．made
________should not be allowed to go out at night．
A．Twelve-years-old
B．Twelve-year-olds
C．Twelve year old
D．Twelve years olds
—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．
A．is made
B．are made
C．made
D．makes
I can’t hear you．Would you please speaK________？
A．clearly enough
B．clear enough
C．enough clear
D．enough clearly
Food and drink should________to be brought into the reading room．
A．not to allow
B．allow
C．not be allowed
D．not allow
