1.Mr smith w ____ so late last night,so he is sleepy now.
问题描述：
1.Mr smith w ____ so late last night,so he is sleepy now.
2.I want to learn English well ,so I need some c ____ practice.
3.You need to do more exercise to s ____ healthy.
4.This song is very popular in many w ____ countries.
答
worked
conversation
stay
western