A、截断信息
B、中断
C、伪造
D、病毒
E、介入
Mr.Smithisingoodhealthnowforitisquitealongtimesincehe__________.
A、notsmoked
B、smoked
C、hassmoked
D、begantosmoke
Generally,theweatherinBritainis_____toocoldinwinter_____toohotinsummer.
A、notonly,butalso
B、neither,nor
C、either,or
D、both,and
IfI_________Bush,I_________neverstartanywar.
A、am,will
B、was,will
C、were,would
D、had,would
A、PAA，PAB，CA
B、PAA，PAB，DRA
C、PAA，CA，ORA
D、PAB，CA，ORA