202. sooner or later 遲早
203. in space 在太空
204. start to do sth 開始做
205. start doing sth 開始做
206. the United States 美國
207. stick to 粘住,堅持
208. stop doing sth 停止做
209. stop to do sth停下來作別的
210. be strict with sb /at sth 對…要求嚴格
211. be sure of …對…有把握
212. be sure to do sth 一定會做
213. Be sure to do 務必…
214. make sure 確定
215. in surprise 驚訝地
216. take a swim 游泳
217. take medicine 服藥
218. take food 吃東西
219. take sth to sb把…給…
220. talk about 談論,議論,討論