Last Monday, I was asked to give the new students a test ________ their English level.
Mrs. Brown kept her eyes __________ on the plate and in a short time she was busy eating.
—The kind-hearted lady is popular with her neighbors, right?—Yes, she is ready to help others without expecting anything __________.
Nowhere else in the world __________ more friendly people than in China.
Come and see me whenever __________.
The school has __________ a special class to help poor readers.