These are my parents. They ______ workers.
A. am B. are C. is
A ______ tree is near the river
A. big B. old C. fat
—Shall we go ______ tomorrow, dad?
--Good idea.
A. swam B. swimming C. swim
–It is hot today, ______?
--Yes, it is.
A. aren’t they B. don’t you C. isn’t it
______ your article carefully, some mistakes can be avoided.
A. Check B. If you check C. Checking
--______ are you in?
--I am in Class One.
A. Which school B. What class C. Which grade
