Sam has a bike. He ______ it to school every day.

It was when I searched the Web for some information about my classmates that I __ your website.

Mr. Li is a kind-hearted man. Though he is not rich, he always does everything he can __________the homeless children.

The students of Class Two said that they had no difficulty ___ those sentences into English

The success of a governmentshould be measured the healthand happiness of the people as well as the development of economy