Most of the sandstorm in our country in spring from March to May.A. happen B. happens C.is happening
Some young people are now to buy private (私人的) cars.
—Hi, Tom, why do you look so tired?—Because I ______ last night to finish my homework.
The underlined letter “ a” in the word “______” has different pronunciation (发音)from the others.
- ______ exercising, and you'll be healthier.
There______ a sport meeting in our school this weekend, isn't there?