---- You didn’t do your homework _______, Tom.
---- I’m sorry, mom. But I don’t have ______ for such things.
A. careful enough; enough time
B. enough careful; time enough
C. carefully enough; enough time
In our city, ____ middle school students want to work as a teacher in the future.
A. thousand B. thousand of C. thousands of
－Oh, so many people in the park?
－Nobody likes to stay at home ______ Sunday morning.
A. in B. on C. at
－How much is the pair of shoes?
－Twenty dollars ____ enough.
A. is B. are C. am
－Do you mind my opening the window?
－______. Please do it now.
A. Of course not. B. Yes, I do. C. Certainly
－ What do you usually do at weekends?
－I often practice ____English.
A. speak B. to speak C. speaking