英文文法-時態請益2013/1/12 - 考試

不好意思,小弟才疏學淺，想請教各位大大幾題英文文法試題
(出處:王怡華-文法練習1000題)

1.What will happen? By next June we------a million refrigerators.
(A)will have sold (B)sell (C)shall sell (D)will sell
答案:(A),為何需使用完成式，(D)錯在那?


2.I-----there nowadays, as it has become a very noisy place.
(A)never go (B)never went (C)am never going (D)have never gone
答案:(A), 題目中有"nowadays"所以不是採現在進行式嗎? 為何答案是以現在簡單式?


3.How long------there by next week?
(A)are you working (B)will you be working
(C)will you work (D)will you have been working
答案:(D),為何需使用未來完成進行式呢?


4.It will not be long before-----to the moon.'
(A)we willl have a trip
(B)we can have a trip
(C)we shall be able to have a trip
(D)we be able to have a trip
答案:(B),不明白為何選它?(D)錯在那?

萬分感謝~~

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