問題詳情：
proverbs (exist)in the language for 1,000 years,for example,A friend in need is a friend indeed.
teacher can speak fluent English because he (study)in an English university for a year.
the time Jim gets home,his sister (leave)for London,so he needs to hurry to see his sister.
at the schedule!Hurry up! Flight 4027 (take) off at 19:00.
80.---Shall we go shopping tomorrow afternoon?
----I’m sorry,but I (take) a yoga class then.
【回答】
existed ied have left s be taking
知識點：語法填空
題型：未分類
