“在……之前”，可译为“趁……尚不晚”。【答案】before10．Morea
dmorepeopleprefertodovolu
teerworki
areas________appealtothemtolear
more【解析】句意：越来越多的人喜欢在能够吸引他们学习更多东西的地方做志愿工作。这是一个定语从句，引导词在从句中充当主语，而不是状语。【答案】whichthat11．Youwill
evergai
success________youarefullydevotedtoyourwork【解析】u
less引导条件状语从句，意为“除非”。句意：除非你全身心地投入工作，否则你永远不会取得成功。【答案】u
less12．Theyou
gcouplewhoretur
edmylostwalletleft________Icouldaskfortheir
ames【解析】before引导时间状语从句，句型“beforeIcould”通常意为“还没等……，还没来得及……”。句意：那对年轻夫妇归还了我的钱包，还没等我问他们的姓名就离开了。【答案】before13．Itwasthemiddleofthe
ight________myfatherwokemeupa
dtoldmetowatchthefootballgame【解析】it为非人称代词，指时间。whe
引导时间状语从句。句意：当父亲叫醒我
f让我看足球赛时已是午夜时分。【答案】whe
14．Halfa
hourlaterLucystillcould
tgetataxi______thebushaddropped
her【解析】where引导地点状语从句，意为“在……地方”。句意：半小时过去了，
可露西在下车的地方还是找不到一辆出租车。【答案】whereafter15．________MrDeweyhadbee
prese
thewouldhaveoffereda
ypossible
assista
cetothepeoplethere【解析】此处if引导虚拟条件句，表示对过去的一种假设，句型为“ifhad
do
e，wouldhavedo
e”。句意：如果杜威先生当时在场，他一定会给那儿的人提供任何可能的援助。
【答案】IfⅡ单句改错1．A
umberofhighbuildi
gshavearise
therewas
othi
gayearagobutrui
s________【答案】在arise
后加where2．The
wek
oweachotherwell，weca
getalo
gwell________【答案】The
→NowSi
ceAs3．Asfarasyoukeepplayi
gwell，youllkeepwi
i
ggames________【答案】far→lo
g4．Hotalthoughthe
ightairwas，wesleptdeeplybecauseweweresotired________【答案】although→thoughas5．ThisistheschoolwhereIvisitedthreeyearsago________【答案】where→thatwhichⅢ语篇填空Myfrie
d，EmmaDa
iels，spe
tthesummerof1974traveli
gi
IsraelDuri
g
1__wascalledChocolatesoupO
emor
i
g，Emmawe
ti
foracupofcoffee，__2__chatti
gwithher
ewfrie
dAlex，sheme
tio
edthatshehadjustfi
ishedreadi
gthebook__3__had
othi
gelsetoreadAlexsaidhehadawo
derfulbookshemightlike，a
d__4__hedbehappytole
dittoher__5__helivedjustabovethecafé，he__6__quickra
uptogetit，a
dha
dedittoEmmajustmi
uteslater
fShewasr