Last year, Mary help from a number of people, including doctors, teachers and soldiers and finally she made it with the help of them.

The boys enjoy playing basketball __________ many of the girls relax by playing ping-pong

She looked out of the window, ________ for her lost youth.[ ]

–Why don’t you stay at the Baotuquan Hotel? –You ! Do you know how expensive that place is?

London is a most beautiful city, ________ the River Thames.