a exercise还是an exercise?
a exercise还是an exercise?
This is _____easy exercise填an还是a
take a exercise ,take an exercise ,和take exercise 哪个对
exercise
是take exercise 还是take the exercise?
take exercise还是 take the exercise
英语翻译5.2.Take a long-term perspectiveBranding is an exercise
do a lot of exercise 还是do lots of exercise 为什么
AN English exercise 单词填空
exercise是动词还是名词?
exercise 是可数还是不可数
exercise to do sth还是 exercise doing sth?