—Where is my pen?—I _________ it on the desk, but I don’t know who _________ it away.
#42067
A
put; has taken
B
put; took
C
have put; took
D
have put; has taken
推荐题目
Don’t talk here.  Grandparents ____.
#41785
A
sleep
B
is sleeping
C
are sleeping
D
sleeping
— Have you finished your homework?— Not yet. But I _______ it in half an hour.
#39667
A
finished
B
have finished
C
will finish
D
finish
. The train _____ for twenty minutes.
#41504
A
left
B
has left
C
is leaving
D
has been away