当你想对别人表达生日祝福时,你应说________.A.happy birthday to you!B.happy new year!C.thank you!
( ) Let ___ begin our class ! A. is B. are C. us
( ) Can I _____ you ? A. help B.helping C .to help
( ) _____ old is he ? A. How B. What C. Where
( ) Do you like ______ ? A. sing B. sings C. singing
( ) Where ____ you come from ? A. are B. is C. Do