—China develops so fast. —That’s true. It ______ a lot already.
#42090
A
changes
B
changed
C
will change
D
has changed
推荐题目
--What if you don't finish your work on time? -- Mrs. Brown will be very angry.
#36820
A
happens
B
is happened
C
happened
D
will happen
—When _______ this stone bridge______ ?—In 1935.
#40011
A
did; build
B
was; built
C
does; build
D
is; built
---We played football this afternoon.Why didn’t you play with us?---Sorry, I really wanted to. But I __________Jim fix his bike then.
#36673
A
help
B
helped
C
am helping
D
was helping
Susan and Lily______tomatoes a nd other vegetables on the farm this time yesterday.
#36291
A
pick
B
are picking
C
will pick
D
were picking
—I called you at 4:00 yesterday afternoon, but no one answered.—Sorry, I ______ with my friends at that time.
#42308
A
swim
B
swam
C
will swim
D
was swimming