1 . Large amounts of money ________spent on advertisements every year.(用适当的词填空)

2 . The university estimates that living expenses for international students ________ around $8,450 a year, which ________ a burden for some of them. (be) （所给词的适当形式填空）

3 . China and Chinese people_____(be) incredibly progressing in many aspects.(所给词的适当形式填空)

5 . But Cobb and others ________(be)now questioning that idea pushing conferences to provide more chances to participate remotely(所给词的适当形式填空)

6 . One third of the country ________covered with trees and the majority of the citizens _______(be) native Americans. (所给词的适当形式填空)

7 . Here ________(be) some suggestions, which I hope will be of benefit to you. （所给词的适当形式填空）

8 . Of equal importance _________ good study habits, useful skills and a positive attitude. (用适当的词填空)

9 . The summer holiday is coming and we each ______(be) ready for the picnic in the past weeks. (所给词的适当形式填空)

10 . You rather than your sister________(be)to run the shop after your parents retire. （所给词的适当形式填空）