(二)用所给动词的适当形式填空
1. One of the boys _________(be) born in1990
2. Mr wang ___________(enter) a competition before.
3. _________ you ever _________(write) to your friend in English?
4. My brother _________(not visit) the Great Wall last year.
5.Tom ____________(not go) to the zoo, will he ?
6. I ________ just ______(finish) my homework.
