Betty wants to see her teacher September 10th.
It’s necessary for you _____ exercise every day.
—I have _________ told your phone number. Has he called you ________?—No, he hasn’t called me _________.
The population of Shanghai is larger than _____ of Shenyang.
—_____ my daughter is only ten years old, she knows a lot.—What a clever girl!
—Dad,mustIpractice thepianotoday?—No,you _.You may doit tomorrow.