相关高考试题：

1. (2005江苏)

---How is everything going on with you in Europe?

---Quite well. Not so smoothly as I hoped, _______.

　A. though B. instead C. either D. too

2. (2007 全国卷II)

____ he had not hurt his leg, John would have won the race.

　A. If B. Since C. Though D. When

3. (2007 上海卷)

Small sailboats can easily turn over in the water ______ they are not managed carefully.

　A. though B. before C. until D. if

答案及解析：1. A 2. A. 3. D 3). predicative clause

(In grammar, especially of adjectives or phrases) following a verb such as be, get, become, seem, look. If a clause is used as a predicative, it is called a predicative clause.

相关高考试题：

1.（2005全国I）

See the flags on top of the building? That was______ we did this morning.

A. when B. which C. where D. What

2. (2005江苏)

---Don't you think it necessary that he _____ to Miami but to New York?

---I agree, but the problem is _______ he has refused to.

A. will not be sent; that B. not be sent; that

C. should not be sent; what D. should not send; what

3. (2002 上海)

Perseverance is a kind of quality-and that's ______ it takes to do anything well.

A. what B. that C. which D. why

4. (2007 上海)

The traditional view is ______ we sleep because our brain is "programmed" to make us do so.

A. when B. why C. whether D. that

5. (2007 浙江)

Why not try your lick downtown, Bob? That's ______ the best jobs are.

A. where B. what C. when D. why

答案及解析：1. D 2. B 3. A 4. D 5. A