The birds are playingthe rain.A. on B. in C. at
( )—— What day is today —— It's ______. A. Monday B. a fine day C. September 1st
( ) The students couldn't help ______ when they heard the joke. A. to laughB. laughC. laughing
( ) Do you know ______ this word? A. what to spell B. how to spell C. to spell
( ) Be quiet! The babies ________. A. sleep B. are sleeping C. slept
( ) He asked me _____ I would like a cup of tea. A. that B. whatC. If