当你给别人东西时说:A.Here you are. B.How are you?
What grade are you in? I'm in______.A.Grade 4 B.grade 4 C.Class4
Let me______you.A.help B.to help C.helping
Time______lunch.A.to B.for C.of
Welcome_____our school.A.to B.on C.不填
Your socks are too small Try this on. A. one B. a C. pair