[键入文字
]虚拟语气练习题（
1）1.IfI____
where
helived
，I____
anote
tohim.
A.knew
，would
B.hadknown
，would
have
sent
C.know
，would
send
D.knew
，would
have
sent
2.Ifthey
____
earlier
than
expected
，they
____
here
now.
A.hadstarted
，would
beB.started
，might
beC.hadstarted
，would
have
been
D.will
start
，might
have
been
3.Ididn't
know
histelephone
number.
____
it，I____
then.
A.HadIknown
，would
ring
himupB.Should
Iknow
，would
have
rung
himupC.IfIknew
；would
ring
himupD.HadIknown
；would
have ...