The students are forbidden, unless they have special passes, __________ after 11 p. m.
—How long have you been learning English? —About four months. —________! Your English is so good.
Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
It was only after he had read the papers _____Mr. Gross realized the task before him was extremely difficult to complete.
When I arrived, Bryan took me to see the house,_____ I would be staying.
_______ more and more people speak the global languages of English, Chinese, Spanish, and Arabic, other languages are rapidly disappearing.