Messages ______ be changed from sound into electricity before they ______ be sent by radio.
#90077
A
must; will
B
have to; can
C
can; must
D
need; may
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He directed exposure to pigs,otherwise he_______pig flu.
#90450
A
couldn’t get
B
wouldn’t have gotten
C
couldn’t have got
D
woud get
I hope _____ the job she's applied for .
#89135
A
she's going to get
B
she'll get
C
she is to get
D
she decides to get
President Hu Jintao urged that every effort to rescue and treat the injured when the earthquake happened in Sichuan this year．
#89340
A
is made
B
must be made
C
should make
D
be made
.---I didn't go to work yesterday because my car broke down. ---You ____ mine. I wasn't using it then.
#89999
A
might borrow
B
could have borrowed
C
must have borrowed
D
ought to borrow