—Can I use the telephone on the table,sir?—Under no circumstances _________ to use the telephone in the office for personal affairs.
I ___________come yesterday, but I couldn’t.
If I ____________out of my ink, I would have finished writing the paper.
The professor gave orders that the test ___________before 5:30.
The possibility of a way out of the impasse(僵局) had never ____________ to anyone.
I appreciated ____ the opportunity to study abroad two years ago.