Weareallconcerned_______hersafety.
A、aboutA
be concerned about：关心，担心。句意：我们大家都担心着她的安全。
Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
Iwasreallyanxiousaboutyou.You______homewithoutaword.
重写句子：Weslippedontheroadwhenwecouldseenolightsintheheavyrainthatnight.(periodicsentence)
Itmakesgood________tobringanumbrella;itseemstoberainingtoday.
重写句子：Whenwearerelievedofworkingpressuresoftheoffice,wecanenjoyhappinessandrelaxationathome.(modifyingphrase)
