帮我解决二题英语.
AsCommander-in-chiefofthearmedforces,Ihavedirectedthatallmeasures_______forourdefense.
AbetakenBwouldbetakenCtobetakenDhadbeentaken
Itisnecessary_____thedictionaryimmediately.
AthathewillreturnBthathereturned
CthathereturnDthathehastoreturn
Explainsomereasons,please.
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