情态动词must与have to用法 — 英语选择题

Choose the best short message for a school water-saving campaign. A. Please turn…

用方框中单词的适当形式补全句子（每词限用一次）：cloud, r…

In the water cycle, water vapour cools and changes into tiny drops in clouds. Wh…

根据句意和首字母提示填空：Water moves from the sea to the sky and b…

用 must, mustn't, have to 或 don't have to 的适当形式填空（每空一�…

Water is important, but some students waste it at school. Which sentence can bes…

— Must we turn off the tap while brushing our teeth? — Yes, you ___. It's a …

从 mustn't 和 don't have to 中选词组填空。The water tank is full, so we…

Yesterday, the water company required all families to stop using water from 9 a.…

用 must 或 have to 的适当形式填空（每空一词）。1. To save water,…

用 must, mustn't, have to 或 don't have to 的适当形式填空（每空一�…

考官问：Do you enjoy cooking? 选择最恰当的词填空，使回答明确�…