Look! There are many in the sky. I think it will be tomorrow.

If the drought________in Southwest China, the crops will be ruined. Worse still, both people and animals will be threatened with a lack of drinking water.

“ 千克” 的缩写形式是________.

Where is your father—He ______ Australia and he ______ Sydney for two weeks.

I’m told that www．languagepractising．com is a free website ____ learners can not just learn various languages but also chat online．