Mr Li is a swimming__________. He teaches the children how to swim.
___________ from space, the earth looks like a blue ball.
I suggested the meeting ______ at the manager’s office.
Today, we _____ work as hard as people did in the past.
It was because I was caught in the traffic jam ________ I came to school late this morning.
There will be a new park in the center of the city, ______?