— ____can we board our plane? — In twenty minutes.
A. How soon B. How long C. How often
You______be tired after playing sports for a long time without a rest.
A. must B. need C. can’t
—Is there a ball under the desk?
—______________________.
A. Yes, it is B. Yes, there’s C. No, there isn’t
Let’s search the Internet for some information about famous people,______?
A. will you B. shall we C. won’t you
The boy found ______hard to get along with the other classmates.
A. this B. that C. it
There are many ________ in our school.
A. women teachers B. woman teacher C. woman teachers
