The foreigners enjoyed themselves in Jiuzhaigou and they were all with the trip.
______ it is raining hard , they are still working in the field.
The houses in big cities are so expensive that I can’t __________ to buy one .
A smile costs _________, but gives so much. So we should learn to smile.
My mother often tells me ______ the teachers carefully
Look, Jim _______ football on the playground.