We knew little about Shu-How Lin, a basketball player from New York Knicks, _______ we watched the basketball matches in NBA.
A. until B. if C. so D. because
—Shall I tell you about it?—No, you _______. Sandy has told me already.
| A．won’t | B．mustn’t | C．needn’t | D．can’t |
The math problem is _______ difficult and _______ of them can work it out.
| A．too much; a few | B．much too; a few | C．too much; few | D．much too; few |
_______ of the students in our class _______ interested in micro blogs (微博) on the Internet.
| A．Two fifths; is | B．Two fifths; are | C．Two five; is | D．Two-five; are |
_______ great fun it is to play games on _______ QQ!
| A．How; / | B．What; the | C．How; the | D．What; / |