--Who is the person talking with you just now? -- Well, if you ______ know, his name is David.
#88076
A
may
B
can
C
must
D
shall
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We______________last night，but we went to the concert instead.
#88244
A
have studied
B
might study
C
should have studied
D
would study
——It was the drug，not the disease，that killed the boy.——He would be still alive today if he ________ that drug.
#87874
A
not take
B
shouldn’t have taken
C
didn’t take
D
hadn’t taken
—Jack fell off the ladder yesterday，but he is all right now.—What a lucky dog! He________ himself badly.
#86848
A
should injure
B
might injure
C
should have injured
D
could have injured
— There's someone outside. Who it be ?— It must be Mary. She promised to come over at 8: 00.
#89275
A
must
B
can
C
shall
D
need