你在做暑假作业对吧,我也是····那个,下面一个我知道 We were clapping(clap)our hands while the performers were marching(march) across the park.用while的时候,一般都是两个动作同时进行,都用现在完成时.
A bird is flying h____ overhead now.
We ____(clap)our hands while the performers _____(march) across the park.
你在做暑假作业对吧,我也是····那个,下面一个我知道 We were clapping(clap)our hands while the performers were marching(march) across the park.用while的时候,一般都是两个动作同时进行,都用现在完成时.