1、He is _monitor of our class.
A.a B.the C.an D./
2、The library _to the public from Monday to Friady.
A.opens B.open C.is open D.is opened
3、The river is _deep
A.ten meters B.ten meters' C.ten-meter D.ten-meter's
4、Could you tell me_?
A.when did he go to Beijing
B.when he hai gone to beijing
C.which is the best
D.what wrong is with him