早上遇见刘老师,应说: A.Thank you,Mr. Li. B.How are you? C.Good morning,Mr. Liu.
—— 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