英文問題!!!徵求高人回答!有答案卻不知道為什麼??

Question

問題如下:
1.We are going to work hard tonight until we __this project.
(A)are finishing(B)will finish (C)finshed(D)have finished 答D
2.Amy sat at her desk __a novel she bought yesterday
(A)to read(B)read(C)reading(D)and reading 答C
3.We had a hard time __with the foreigner since he spoke neither Chinese nor English.
(A)to communicate(B)communicating(C)communicate(D)communicated 答B
4.These directions are __.Could you explain them to me?
(A)confused(B)confuse(C)confuses(D)confusing 答D
5.When I __with this project,I am going to take a long vacation in Japan
(A)am doing (B)am done(C)have been done(D)will be done 答B
6.Call me for help if you __in the city.I'll try to find you.
(A)lose(B)lost(C)are lost(D)are losing 答C
7.Maria can't speak Spanish yet,but after afew lessons she __speak a little
(A)could(B)will be able to (C)can(D)is able to 答B
8.You __get married in order to feel happy.
(A)must not (B)don't have to(C)can't(D)shouldn't 答B
9.Shelly was not only a successful business woman__a caring mother.
(A)also (B)but(C)and also(D)and 答B
10.Amy loves shopping,and___.
(A)so is Nina (B)Nina is too(C)so does Nina(D)so loves Nina 答C
在此致上謝意~Thanks~

Answer 1

1.We are going to work hard tonight until we __this project.
(A)are finishing(B)will finish (C)finshed(D)have finished 答D (或finish)
時態問題；簡單講，如果主要子句和附屬子句動詞的時間都是將來，附屬子句必須用(廣義的)現在式。

2.Amy sat at her desk __a novel she bought yesterday
(A)to read(B)read(C)reading(D)and reading 答C
現在分詞的用法問題-現在分詞的敘述用法-作主詞補語；又例如：We stood watching the show.

3.We had a hard time __with the foreigner since he spoke neither Chinese nor English.
(A)to communicate(B)communicating(C)communicate(D)communicated 答B
簡單講，"have a hard time + -ing"為固定片語用法。

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沒時間多寫。想學會正確使用這些句子，建議你上 http://hk.geocities.com/cnlyhhp/eng.htm
(免費的英文學習網頁)。

2005-03-23 20:31:27 補充：
Nene客氣地只補充作答,而且答得很好! 謝了!

Answer 2

4. 需要形容詞, 選項裡只有A/D 兩個分詞有可能; 但, 句子是講指示"令人"困擾, 是有主動的意味, 所以, 選-ing形式的現在分詞
5. when 這個帶領的子句, 裡面的時態需用現在式來代替未來式, 表示滿足那個情況/條件之下, 就會...怎樣怎樣~
6. 選"迷路"的意思: get lost / be lost, 答案只有C
7. 要看句意, 他目前不會說Spanish, 而另一句是說, 上完一些課後, 他就會講了; 中文或許看不出是未來式, 但, 還沒上課啊, 代表是未來的事情.
8. 依句意判斷
9. not only....but (also) ...固定用法
10. 後面是簡答句, 前句是一般動詞, 後的簡答需用助動詞代替省略: do/does; 那只剩C.