The factory was built in a secret place, around ______ high mountains. 
#73353
A
which was
B
it was
C
which were
D
them were
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The time of the last term , ________full use of ________the college entrance  examination , will be very important to every senior three student .
#68162
A
when made ; preparing for
B
if made; to prepare for
C
that made; to prepare for
D
whether is made; preparing for
In such hot weather the crops will have to be watered if they                  .
#72118
A
have survived
B
are to survive
C
would survive
D
will survive
No matter how________, it is not necessarily lifeless.
#68322
A
dry a desert may be
B
a desert may be dry
C
may a desert be dry
D
dry may a desert be