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
Attention，please！All the mobile phones must________before the meeting starts．
A．turn off
B．be turned off
C．be turning off
D．turned off
I think________are old enough to make their own decisions．
A．sixteen-year-old
B．sixteen-years-old
C．sixteen-years-olds
D．sixteen-year-olds
—I have finished my homework．
—________．
A．So do I
B．So have I
C．So I do
D．So I have
