I asked my boss for a month’s holiday and, ______, she agreed.
Although medical science________control over several dangerous diseases,what worries us is that some of them are recurrent.
—What's the party like?—Wonderful.It's years________I enjoyed myself so much.
________a certain doubt among the people as to the practical value of the project.
We ________ contact with each other for years. And last week we ________ contact again.
The hotel wanted to charge $150 for the room service, but we couldn't ____________ to live in such an expensive hotel.