The graduation ceremony is on the way,there are some students (make) preparations for it.
hair
Tom想单独去游泳,你可以这样劝告他:
alone, Tom.
你想进入老师的办公室,应该这样请求:
?
你想知道现在几点,可以这样问:
假如你是John,有人打电话找你,你接听时可以这样应答:
Hello! .