— scientific attitude is needed in developing our city.
— I agree with you. In this way, we can make mistakes.
A. Fewer; less B. Less; more C. More; fewer
The students in the higher grades I met in a football game are my good friends now.
A. when B. which C. who
—I have to be off right now.
—What a pity! I you could stay a little longer with us.
A. think B. am thinking C. thought
The old man asked the girl to take another seat he wanted to sit next to his wife.
A. because B. so that C. so
I'm sorry to have you waiting so long for Marcia, and I'm afraid it'll be ten minutes she comes back.
A. before B. after C. until
She __________ be here. I saw her come in.
A. can B. may C. should D. must
