-- _____ nice day it is today! Let’s go out to play, shall we? -- That’s a good idea. A. How a B. What a C. How
The math problem is _____ difficult that only _____ students can work it out.
________ fathers are both doctors.
Please __________ the light when you leave the classroom.
When you go _________ the street, you must be careful.
I ______ an hour finishing my homework yesterday.