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
22、—Do you like your new job as a saleswoman?
—Very much. But I am tired ____ standing all day.
A． of B． with C． by D． about
21、---If the traffic hadn’t been so heavy, I could have been back by 6 o’clock.
--- ____ Tina was here to see you.
A．Forget it. B． What a pity!
C． Is that so? D． I’ll do what I can to help you.
20、____ he come ten minutes earlier, he ____ catch the bus.
A．If; may B． May; might C． Should; would D． Would; should
19、---Will you be sent abroad for further studies?
--- I have ____!
A． such no luck B． no such luck C． no such a luck D． not such a luck