1.I'm quite sure that you will be impressed (使印象深刻) by the beauty of the city.
2.With the economic (经济的) development of our country, more and more students choose to go abroad for further study.
3.The customs (海关) men went through our luggage carefully.
4.It is said that the water supply is rapidly decreasing (减少).
5.It had been raining for a week and the streets were flooded (淹没).
6.The children clapped (鼓掌) when he finished his speech on Children's Day.
Ⅱ.单句改错
1.On our arrivals, we found everything in the room out of order.arrivals→arrival
2.They will have you arrest if you don't pay taxes, because it is everyone's duty to pay taxes.arrest→arrested
3.—It's said that Mo Yan's speech was wonderful.
—That's true.We clapped our hands excited many times during his speech yesterday.excited→excitedly
4.—What a long queue!
—Yeah.We have been queuing on in the past few hours for tickets back home.on→up
5.You should take effective measure to improve your working conditions.
measure→measures