—What do you think of the play?
—Oh, excellent! It’s worth a second time.
A．seeing B．to see
C．to be seen D．being seen
He is always helping people without expecting anything _____.
A．in common B．in turn
C．in danger D．in return
_____ is no doubt _____ Jennifer will come to see me this weekend as usual.
A．It; that B．It; whether
C．There; that D．There; whether
The last factory ______ I am going to visit is the place _____ my mother worked five years ago.
A．which; where B．that; where
C．where; where D．that; which
There are about 100 teachers, two thirds of______ are women.
A．them B．which C．who D．whom
This is the first time I ______ such beautiful music .
A．heard B．am hearing C．will hear D．have heard
