---How did you do in the test yesterday? -----Not so well. I ______ much better but I misread the directions for writing.   
#63231
A
will have done
B
could have done
C
must have done
D
may have done
推荐题目
 - Must I clean the Lable now? - No, you ____.  You may do it later.
#76561
A
can’t
B
needn’t
C
mustn’t
D
shouldn’t
—How dangerous it was!—Yes, but for the passer-by’s quick action, the girl ________.
#63100
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned
We ________ like to thank the honest boy.
#77763
A
had
B
was
C
could
D
would