用适当的介词或副词填空

It is good to clean ________ the rubbish when you go on a field trip.

用适当的介词或副词填空

People use Internet ________ sending E-mails to the friends far away.

用适当的介词或副词填空

Many big and dangerous animals feed ________ small animals.

用适当的介词或副词填空

The sharks sometimes attacked people ________ the beaches.

用所给单词的适当形式填空

The scuba machine can help us keep ________ in the sea for a long time. (breath)

用所给单词的适当形式填空

More and more Chinese and ________ find it very important to protect the enviroment. (foreign)

用所给单词的适当形式填空

The twin brothers are really ________ in surfing in summer. (interest)

用所给词的适当形式填空

The book is (1) . Most of the teachers are (2) in it. (interest)

用动词的正确形式填空

Would you please ________ (stop) to have a drink?

用动词的正确形式填空

It’s the third time I ________ (see)him this week.