人教版初中英语八年级下Unit 9 Section B练习卷

It’s said that________of the water around the world polluted．

Last term he had problems________math．

—________she________to Singapore before？
—Yes．She________there last week．

There are________people who want to travel to China．

Singapore is a good place________a holiday．

Three fifths of the students in our school________boys．

These boys had problems________to the top of that mountain．

—Will she come to your birthday party？
—________．

You________the beauty of nature whenever you________here．