I didn’t know ________ the professor would give us a lecture in the hall.
#55178
A
where
B
when
C
what
D
why
推荐题目
The old man is _______ please keep quiet. 
#57362
A
sleep, and
B
asleep, so
C
sleepy, but
D
sleeping, but
_____ he was tired , ____ he didn’t stop working .
#57240
A
Although ; but
B
Though; /
C
But ; /
D
Though ; but
It ____ yesterday.
#58428
A
took me two hours to finish the job.
B
spent me two hours to finish the job
C
took two hours me to finish the job
D
took me two hours finishing the job