dinning room(hall) 饭厅
coin n. 硬币
mouth n. 嘴
swallow v. 吞下
later adv. 后来
toilet n. 厕所，盥洗室
★swallow v. 吞下
① v. 吞下，咽下
Tommy had swallowed the coins.
② v. 抑制，使不流露
I tried hard to swallow my doubts. 我强忍着不露出怀疑的神色。
She swallowed a smile and sat there still. 她忍住没笑，静静地坐在那里。
③ v. 吞并；侵吞
Our company was swallowed up by an American company last year.
Nazi Germany nearly swallowed up the whole Europe in World War II.
主语+ was（were）+ doing
S+ wasn’t（weren’t) +Ving
Was（Were） +S +Ving?
I was reading a book at 7 o’clock yesterday.
I wasn’t reading a book at 7 o’clock yesterday.
Were you reading a book at 7 o’clock yesterday?
What were you doing at 7 o’clock yesterday?
连接时间状语从句的词：when 当……的时候；while 当……的时候（强调两个动作的同时进行）
just as 正当……
I was reading a book while my wife was working in the garden at two o’clock yesterday afternoon.
While my wife was working in the garden at two o’clock yesterday afternoon, I was reading a book.