----- Have you ever visited the 2010 Shanghai World Expo? -----Yes．When I was in China , I ______ it twice．
#103152
A
have visited
B
visited
C
had visited
D
would visit
推荐题目
I’m not familiar with this place. It’s the first time I _____ here, you know.
#103529
A
am
B
was
C
have been
D
had been
-- How can I apply for an online course? -- Just fill out this form and we _______ what we can do four you.
#102945
A
see
B
are seeing
C
have seen
D
will see
—Car prices have been going down sharply in the last 20 years.—It's not surprising because the law of market ________ the price of a product.
#99495
A
is controlling
B
controls
C
has controlled
D
controlled
You’d better write down her phone number before you _______ it.
#99075
A
forget
B
are forgetting
C
forgot
D
will forget
It ________ nearly two weeks ______ I had received his letter.
#104191
A
is, that
B
was, that
C
is since
D
was, since