情景对话。（共10分，） 
A: Good morning !B: (1)
A: (2) B: I want apples .
A: (3) B: three , please .
A: (4) B: Thank you .
(1) (2) (3) (4)
—— 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 laugh B. 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