-Mom’s gift? She _______ have chosen a better one for me.-She must be very happy to know it.
#87941
A
should
B
might
C
couldn’t
D
mustn’t
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 If he _____ his legs in the last training, he _____ the coming World Cup, which he has been longing to compete in.
#87516
A
hadn’t hurt; would join in
B
hadn’t hurt; would have taken part in
C
didn’t hurt; would go in for
D
didn’t hurt; would have taken part in
We ________ such great achievements without your efforts. Thanks a lot.
#87483
A
can’t have made
B
couldn’t have made
C
were unable to make
D
are unable to make
They enjoyed fresh watermelon last fall because they______ watermelon seeds in the spring. 
#87818
A
were planting
B
would plant
C
have planted
D
had planted