当Sam想向别人介绍自己的名字时,他可以说:________A. I’m a boy. B. My name is Sam.
_______ you afraid of __________ late for school?
Let’s get __________ it and have a look.
___________ nice the watch is !
_____ your brother _______ his holidays in Beijing next year?
It’s cold here. Please keep the window __________.