He ______ and built his own house.
A. designed
B. involved
C. determined
D. put
查看答案
The practice of hanging up stockings at Christmas is believed to be ____ with St.Nicholas.
A. included
B. connected
C. determined
D. selected
Jone left there hours ago. She ______ home by now.
A. must has arrived
B. must arrive
C. must have arrived
D. can have arrived
karen loves her cats. She ___ killed them.
A. must have
B. might not
C. might have
D. can't have
My brother thought it was a UFO. But I'm not really sure. It ____ a military plane or a weather balloon.
A. might have been
B. might be
C. must be
D. can be