微信公众号内容规划流程( )
A. 推广
B. 定位
C. 提炼
D. 管理
朋友圈推广呈现效果有( )
A. 图文广告
B. 直播广告
C. 视频广告
D. H5广告
In the afternoon, they sometimes go to English Corner ________ English.
A. practice
B. to practice
C. practise
D. practicing
I didn't begin to do my homework __________ he had gone.
A. if
B. while
C. until
D. whether