( )—— 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. laugh C. 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. what C. if