—Who taught Zhu Zhiwen to sing?—________! He learned singing by himself.A. Everybody B. Somebody C. Nobody
Listen! Who ____ behind the tree?A singsB. is singingC. singing
His mother ___ in a hospital, but she ____ these days.A. works, isn’t workingB. is working, worksC. is work, doesn’t work
The teacher tells us not ______a hat in class.A. wear B. wearing C. to wear
---Don’t run in the hallways.---______,I won’t do it again.A. Sorry B. Excuse C. No
What do you usually do____ Sunday mornings.A. in B. at C. on