-Hello, Mr. Wang. Must we wear the school uniform tomorrow?-You ___________. Only on Mondays. Tomorrow is Tuesday.
There is a mountain ________ the top is always covered with snow.
---Why did the police _____ the crowd? ---Because the presidents car ____ in the street.
John, as well as the other children who _____ no parents, ________ good care of in the school.
The poor children are looking forward to _____ a Christmas present that day.
With so much work on hand, you ________ to see the game last night.