1 . It is essential that the diet __________ (vary) and balanced. (所给词的适当形式填空)

2 . ________________ of after­class activities will be held, ________________ from the English corner to the Literature club. So we students can get ________________ experiences. (vary) (所给词的适当形式填空)

3 . Generally speaking, the salary ______ (variety) with the experience of the employee. （所给词的适当形式填空）

4 . The tail ______ (vary) much in length and shape according to the species; sometimes it is rounded at the end, sometimes more or less pointed.(所给词的适当形式填空)

5 . Body language plays an essential role in human interaction, _________ (vary) significantly across cultures. (所给词的适当形式填空)

6 . I was greatly impressed by the______(vary) of apps in an app store. (所给词的适当形式填空)

7 . There are _______ flowers in the garden. They _______ in colour and a_______of them don’t need to be watered often.(vary) (所给词的适当形式填空)

8 . There are _______ goods in the supermarket, and the prices _______ from cents to dollars. The _______ attracts many customers. (vary)(所给词的适当形式填空)

9 . There were ________ (vary) activities for the visitors to choose on that day. (所给词的适当形式填空)

10 . Just like spoken language, body language _________(vary) from culture to culture. (所给词的适当形式填空)