Water ____ be changed into vapour but it ____ be heated to its boiling point . 
#89755
A
may ; can
B
can ; must
C
may ; needn''t
D
must ; may
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 But for the fact that China ____ also affected by the global economic crisis, we ____ fewer unemployed workers now.
#87016
A
is; would have
B
were; would have
C
was; would have had
D
is; would have had
You _____ him the news; he knew it already. 
#89557
A
needn’t tell
B
needn’t have told
C
mightn’t tell
D
mightn’t have told
When I first met him, it seemed as if he______food for days.
#87114
A
did not eat
B
had not eaten
C
was not eating
D
would not have eaten