—Do you know the most ancient city in China—Xi’an well?—No,this is the first time I ________ here. 
#103210
A
came
B
have come
C
am coming
D
come
推荐题目
—— Bob has gone to California.—— Oh, can you tell me when he _____?
#101904
A
has left
B
left
C
is leaving
D
would leave
--Do you know anyone in Paris?    --No, I’ll make friends once______ .
#104171
A
I’m settled  
B
I have settled
C
I’ll be settled
D
I’m settling
We       the top of the mountain but for this awful weather.It rained all day.
#102770
A
will reach
B
would reach
C
have reached
D
would have reached