You’re welcome.是表示_____。A.请进来 B.不客气
( )Are you ____ the park? A. on B. in C. at
( )A girl is _____ food in the supermarket. A. buy B. buying C. bought
( )I can ____ you . A. see B. saw C. seeing
( ).It is the middle ___ the night. A.to B. of C. for
( )We are ____ a lovely time! A.have B. had C. having