Ⅰ.单句语法填空
1．They were quite experienced(experience) in teaching beginners.
2．We have been told to show respect for our elder.
3．Bill Gates works 15 hours a day on average.
4．The last hotel we stayed at charged(charge) us $ 50 for a night.
5．His satisfied(satisfy) look suggested he was satisfied with our work.
6．Many people approved of keeping(keep) the Golden Week holiday.
7．This activity actually encouraged us to speak(speak) English!
8．After graduation, he continued to devote himself to research.
