问题
填空题
用所给词的适当形式填空。
1. A large amount of time ____( be) spent on the research work last year.
2. Huge amounts of farmland ____( be) destroyed in the past five years.
答案
1. was 2. has been
用所给词的适当形式填空。
1. A large amount of time ____( be) spent on the research work last year.
2. Huge amounts of farmland ____( be) destroyed in the past five years.
1. was 2. has been