_______thatthescientistwillgiveusatalknextmonth?
B
it 在句中作形式主语， that 引导的从句是真正的主语。本句运用的是疑问句式。
重写句子：Whenwearerelievedofworkingpressuresoftheoffice,wecanenjoyhappinessandrelaxationathome.(modifyingphrase)
Itmakesgood________tobringanumbrella;itseemstoberainingtoday.
重写句子：WelivedinasmalltownwhenIwasasmallchild.WemovedtoShanghailater.Myfatherlandedabetterjobthere.(compound-complexsentence)
重写句子：NotuntilhecrossedthelineandfeltthetapesnapagainsthischestdidJohnsonknowhehadwontherace.(loosesentence)