32、-- I was wondering if we could go skiing on the weekend.
-- _______good. A. Sound B. Sounded C. Sounding D. Sounds
31、I had travelled only two hours one day _____ the winds increased so much that I had to put my tent up ____ the winds became too strong.
A. when; before B. then; but C. while; because D. but; before
30、The biggest problem for most plants, which ________ just get up and run away when threatened, is that animals like to eat them.
A. shan’t B. can’t C. needn’t D. mustn’t
29、--- There is still a copy of the book in the library. Will you go and borrow ?
---No, I’d rather buy in the bookstore.
A .it; one B. one; one C. one; it D. it; it
28、---How’s your tour around the North Lake? Is it beautiful?
---It ________ be, but it is now heavily polluted.
A. will B. would C. should D. must
27、I like _______ in the autumn when the weather is clear and bright.
A. this B. that C. it D. one
26、Look at the trouble I am in! If only I ____ your advice.
A． followed B． would follow C． had followed D． should follow
25、The children went home from the grammar school, their lessons ____ for the day.
A． finishing B． finished C． had finished D． were finished
24、The book was written in 1946, ____ the education system has witnessed great changes.
A．when B． during which C． since when D． since then
23、Science and technology have ____ in important ways to the improvement of agricultural production.
A． connected B． assisted C． contributed D． witnessed