By the time Jack returned home from England, his son            from college.

---Excuse me, sir, but ___ you speak English? ---Sure, but only a litte.

--- It’s a shame that you missedthe lecture on the British culture given by Thompson.--- I _________ it, but I was busy preparing the coming exam.

A lot of people often forget that oral exams ________ to test our communicative ability.

--You look so pale.What trouble you? ----I ___ my dead mother.