- Has your friend completed his design?   - Not yet. He ________ on it last night.
#36803
A
worked
B
has worked
C
is working
D
was working
推荐题目
—Where are Maria and Kangkang?—They _____ England.
#41509
A
have been to
B
are away
C
have gone to
D
had been in
The world _________. Things never stay the same.
#41577
A
changed
B
is changing
C
was changing
D
will change
It’s two and a half weeks since the exchange students __________ Taixing.
#41756
A
arrived
B
reached
C
have been in
D
have arrived in