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
找出下列英文单词所对应的中文意思。
（1）undergroundA.电影院（6）listen to the radio A 植物园
（2）light train station B.地铁（7）bad coldB 樱花
（3）movie theatreC 博物馆（8）play chessC听广播
（4）museumD京剧（9）botanic gardenD 重感冒
（5）Peking operaE轻轨站（10）cherry blossomE 下棋