Have you finished the book___you borrowed from the library?A. which B. it C. what
—How many students are there in your school?—_______ students, I think.A. Three thousandsB. Three thousandC.Three thousands of
The boy stopped ___TV and went to do his homework when his mother came back.A. watch B. watching C. to watch
Math is _____ difficult for some students _____ learn.A. too, to B. enough, to C. much, to
I was ______ when I heard the ______ news.A. exciting, excitingB. excited, excitedC. excited, exciting
—______ handsome boy he is!—Yes, you are right.A. What a B. How a C. What