151. Oh, it is so cool in the house. You _______ have turned on the air-conditioner, haven’t you?
_________ you met with such a strange man yesterday?
No sooner _________ to school _________ the bell for the first class began this morning.
Tom didn’t lose heart _________ he failed in the job interview and wasn’t admitted to the company.
Under good treatment, Linda is beginning to _________ and will soon recover.
The chemistry teacher demanded that the laboratory report _________ immediately after the experiment was done.