John agreed to the suggestion that his students _____ two weeks to prepare for the exam. 
#86438
A
give
B
should give
C
be given
D
must be given
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I supported him in time , otherwise he         off the bike .
#88986
A
might fall
B
would fall
C
should have fallen
D
would have fallen
Perce Blackborow and his companions stayed on Elephant Island for six months before rescue came, so they ________ a lot of difficulties.
#87871
A
must go through
B
may go through
C
must have gone through
D
could have gone through
She___ taller, but she ate too little.
#87423
A
can grow
B
can have grown
C
could grow
D
could have grown