Veryfewpeopleunderstoodthiscontract,______wasveryobscure.
B
the language of which 引导非限定性定语从句，并在定语从句中做主语。句意为：没有几个人懂这份合同，合同的用词含糊不清。
重写句子：WelivedinasmalltownwhenIwasasmallchild.WemovedtoShanghailater.Myfatherlandedabetterjobthere.(compound-complexsentence)
Ifyou_______inbehavinginthiswayyouwillbringyourselfnothingbuttrouble.
Itmakesgood________tobringanumbrella;itseemstoberainingtoday.