Question

The students of Senior 3 are now under great pressure for it will be just one year ______ they take the Entrance Examination.

1. A.
   since
2. B.
   after
3. C.
   before
4. D.
   when

Answer 1

C
試題分析：句意,上文,高三的學(xué)生現(xiàn)在都很大壓力,下文，因?yàn)橹挥胁坏揭荒甑臅r(shí)間就要參加高考了�？疾榫湫蚷t was/will be +一段時(shí)間+before+clause ,沒過多久。。。就 ，從句常用一般現(xiàn)在時(shí)或一般過去時(shí)。since意思是自從.常和完成時(shí)態(tài)連用，after在。。。之后，when當(dāng)。。。時(shí)候。故選C.
考點(diǎn)：連詞辨析
點(diǎn)評(píng)：解答此類題型首先要確定上下文關(guān)系,根據(jù)前后文關(guān)系確定適當(dāng)連詞.還要記住一些常用的句型結(jié)構(gòu)：it was/will be +一段時(shí)間+before+clause ,沒過多久。。。就，從句常用一般現(xiàn)在時(shí)或一般過去時(shí)。