In the clinic the doctor gave me a (n) ___________ for anti-H1N1 flu.
It is ______ ill health that she is now not so active in the movement.
The plan to be carried out next month needs______ among the members of the labor union before ______.
There is only 10 minutes _______. I must _______. ----- I’ve got to catch the train.
________, most teenagers now listen to rock music. However, John likes classical music better.
As nobody here knows what is wrong with the machine, we must send for an engineer to ______ the problem.