He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.
#63103
A
should
B
must
C
wouldn’t
D
can’t
推荐题目
The art exhibition is really worth _______，and you’re sure to learn lot from it.
#77411
A
visit
B
to visit
C
visited
D
visiting
----Whose book is this?----It _______ our geography teacher’s. You see, his name is on it.
#75405
A
can’t be
B
can be
C
mustn’t be
D
must be
We think Betty the best student. The sentence structure is ______.
#75519
A
S+V+IO+DO
B
S+V
C
S+V+DO+OC
D
S+V+P
— Who’s singing in the next room? — It ______ be Mary. She ______ New York.
#75016
A
mustn’t, is in
B
must, has gone to
C
could, has been in
D
can’t, has gone to
To be honest, I would rather my dog out, which made so many troubles.
#63239
A
not had let
B
I had not le
C
not let
D
not have let