一、根据所给汉语提示填词或词组.
1. The ______________(旅程) to Wuhan made me very pleased.
2. A theater was _______________(挤满) with audience.
3. The water in the river is ___________ and we should try to solve the water__________(污染).
4. The food will be (呈药丸的形状) on Mars.
5. Children should be careful with (火柴).
6. People will be （照顾）by (机器人).
7. People must wear space________(宇航帽) to go outside on Mars.
