I was told that there were about 50 foreign students __________ Chinese in the school, most __________were from Germany.
—We'd like you to start work tomorrow if possible. —I'm sorry, but I can't possibly start until Monday.________?
Look out! The train ________.
Do you think exercise can keep us ________?
The teacher asked us ________ in our reports before class.
Tom was the first ________ he was wrong.