—Where have you _______ these days? —I have_______ to Hong Kong with my friends.
#37439
A
been; gone
B
been; been
C
gone; been
D
gone; gone
推荐题目
—The country has already sent up an unmanned spacecraft to the moon.—Yes. Chang’e I to the moon last October.
#42072
A
has been sent
B
has sent
C
was sent
D
sent
This robot is supposed to save a lot of labor, but it remains a problem if it ______.
#37091
A
is
B
saves
C
does
D
has
Mr. Smith always ________ short stories，but he ________ a TV play these days.
#42846
A
is writing；is writing
B
is writing；writes
C
writes；is writing
D
writes；writes