What letter is an insect(昆虫)?
There are ____ clouds in the sky.A. not a B. no C. not
Xiao Ming says hello ____ him. A. at B. on C. to
It’s seven twenty my clock now.A. with B. by C. to
There is something wrong his clock.A. for B. with C. of
When he his homework every evening?A. do/ do B. does/ do C. does / does