sat语法求大神、、、（Although) i can't (concur in) the speaker's opinions,I am graceful for the opportunity (to haver heard) (them) expressed so eloquently.如果换成concur with对不对,to have heard them为什么用完成时Greta Garbo,the sensational and talented Hollywood star off the (1930s),became a recluse for most of her adult life and (remained) isolated but (looking) (beautifully) until the day she died.我知道D错了,但为什么用LOOKing 而不是 LOOKED,off the 1930,off代表什么(As) Katie opened the

sat语法求大神、、、
（Although) i can't (concur in) the speaker's opinions,I am graceful for the opportunity (to haver heard) (them) expressed so eloquently.
如果换成concur with对不对,to have heard them为什么用完成时
Greta Garbo,the sensational and talented Hollywood star off the (1930s),became a recluse for most of her adult life and (remained) isolated but (looking) (beautifully) until the day she died.
我知道D错了,但为什么用LOOKing 而不是 LOOKED,off the 1930,off代表什么
(As) Katie opened the refrigerator,she instantly noticed that a huge chunk of chocolate icing had been (bit) (off) the birthday cake and immdiately suspected that Mark was responsible.
Africa's Kanem empire,after (enduring for) over a thousand years,(is) believed to have fallen (into decline) when trade centers (shift) outside its boundaries
A for和over不是重复了吗,再次无语了,
The museum,which (has sponsored) free programs in the arts for city children since the late 1960s,was (cited) (by the mayor) for （their） many civic contributions .我选了C,为什么改成MAYORS不可以?
(It was) a Chinese Americian grower who finally succeeded (with adapting） the (now familiar) prange tree (to) the Amercian climate.
我要泪奔了,
When Doris Lessing punlished The Golden Notebook in 1962,(it) (instantly established) her-self (as one) of the (most important) literary voices of her generation.
（Being） lost in the mountains of Colorado for two days （as a boy）,Dave is (always careful) to take detailed map with him when he sets out for a backpacking adverture in the wilderness.
但我在其他题目,看到过for 一段时间,但没有加完成时的
The threat (suspend) students (caught) using cell phones during class without permission seems (like) an over-reaction to the problem (because) the principal is ordinarily sensitive and level-headed.
这道题做对了,但能解释下语法吗,CAUGHT感觉好奇怪
It is (raining hard) outside.( Havn't you （taken）an umbrella (with you)?
答案是taken 改成got..