The teacher tells us not ______a hat in class.
A. wear B. wearing C. to wear
Most animals walk ____ four legs.
A. of B. to C. on
What do you usually do____ Sunday mornings.
A. in B. at C. on
In China, summer is from _______ to _______.
A. May; September
B. October; December
C. June; August
--________does your uncle do? - He is a teacher.
A. What B. Where C. How