My parents have promised to come to see me before I _______  for Africa. 
#104944
A
have left
B
leave
C
left
D
will leave
推荐题目
--- What on earth is that noise? --- Oh, the next flat ___________.
#100208
A
was decorated
B
was decorating
C
is being decorated
D
is to be decorated
Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane _____ on Sunday. 
#101752
A
leaves; takes off
B
is leaving; takes off
C
is leaving; is taking off
D
leaves; is taking off