A.on thatB.on whichC.at thatD.at which
A.on that
B.on which
C.at that
D.at which
A.on that
B.on which
C.at that
D.at which
【C15】
A.on that
B.on which
C.about which
D.with which
【B10】
A.in that
B.on condition that
C.in case that
D.so that
【45】
A.except that
B.on condition that
C.in order that
D.in case
It is unlikely ____ the world energy will last forever.
A: that
B: which
C: because
D: for
We can accept your order ______ payment is made in advance.
A.in order that
B.on condition that
C.on the excuse that
D.in the belief that
A.that
B.which
C.what
D.this
It is his wife __________ left him without saying goodbye.
A、that
B、which
C、when
D、who
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