Welcome ＿＿＿＿school, boys and girls.
A. back B. back to C. back to the
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He usually ______ to school by bike.
A. go B. going C. goes
------ What ______ Helen’s family do after supper?
------ They play chess.
A.areB. is C. do
It is Friday morning. I have four lessons ______the afternoon.
A. in B. /C. on