Astronauts must get a lot of exercise.为什么这里的exercise不能加s?
get a lot of exercise翻译
do a lot of grammer exersices中为什么exercise要加s
do a lot of exercise 还是do lots of exercise 为什么
1.she gets some exercise中这里的exercise要不要加s?
是a lot of exercises ,还是lots of exercise?为什么?lots of和a lot of
I take a lot of exercise and am very fit 中的am为什么是对的?
为什么 favorite exercise中exercise不用加s
It's good exercise.为什么good前不用加a?
He wants to get a lot of exercise改为一般疑问句
astronauts must exercise for ( ) every day in space so they
What a lot of trouble he is causing 这里的 trouble 为什么不是复数 加 S
为什么是a lot of exercise而不是a lots of exercises?