The reason for his absence was _______ he was not well prepared.
A、why
B、when
C、what
D、that
第1题:
I 'd like to know what time we can get the container() it is in the port.
A. why
B. when
C. where
第2题:
_____ the boss said at the meeting disappointed everyone.
A、Which
B、When
C、What
D、That
第3题:
第4题:
It is because English is very useful ________we study it hard.
A: why
B: that
C: what
D: which
第5题:
________ he discovered in his experiment is very important to us.
A、That
B、When
C、What
D、Where