【判断题】
I started looking after these plants whose host went out to have a holiday.
【单选题】
Water, when boiled, will____ steam.
【单选题】
Did Tom tell you to water the flowers?
【单选题】
The flower is dead. I ____ it more water. ?
【单选题】
19.Never____ realised that water is so precious
【单选题】
If a substance is dissolved in water or heated, it
may ____ a gas.
【单选题】
13.Oil floats if you ______it on water.
【单选题】
Man________die without air or water.
【单选题】
15.Man _____ die without air or water.
【单选题】
Water_________ both by man and other living things.