Some of you may have finished unit one. _____ , you can go on to unit two. 
#84634
A
If you may
B
If you do
C
If not
D
If so
推荐题目
 In front of my house_______, full of apples.
#81544
A
a big tree stands
B
does a big tree stand
C
stands a big tree
D
standing a big tree
 There seemed no end to their troubles; nowhere _________ upon a path.
#82023
A
they could come
B
could come they
C
come they could
D
could they come
Only if enough evidence is discovered _______ in the existence of the monster.
#81375
A
will people believe
B
people will believe
C
shall people believe
D
people shall believe
________ got on the train when it began to move.
#81398
A
No sooner had I
B
I had no sooner
C
Hardly had I
D
I hardly had
-When__________ and visit our exhibition next month?  - When_______, I will let you know.
#82182
A
will he come; he will come
B
will he come; he comes
C
does he come; he will come
D
does he come; he comes