A if there will be any B if there are some C if they have any D if any

　　if any是一个口语中经常加的插入语成分，表示如果说有的话。

　　288. There is no point _C_ in a dangerous place if you cant do anything _C_ the people who have to stay here.

　　A remaining helping B to remain to help

　　C in remaining to help D in remaining helping

　　there is no point in doing sth. 做某事也是毫无意义; 这里point表示作用，用途。

　　291. Do most of us seeing people grasp casually the outward features of a face and _D_?

　　A let it alone B let alone C let well alone D let it go at that

　　seeing people 视力健全的人; casually 随意地，随便地;

　　let is go at that表示不去多操心，不再多说，随它去了。

　　316. The policemen went into action _C_ they heard the alarm.

　　A presently B promptly C directly D quickly

　　directly adv. 直接的; conj. 一就 ，一当时候。

　　表示一就的几个短语：as soon as, the instant, the moment, directly.

　　323. The cat is, _D_, a member of the family.

　　A as to speak B no wonder C as a fact D so to speak

　　so to speak 可以这么说。

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