The boys when the teacher came in. So she was very angry．
I like to watch football games _________ TV.[ ]
―There is too much salt in the Chinese diet.―Right. The WHO says only 1.5 grams of salt ______ for each man every day.
Daniel is a very __________ football player and he plays very _____.
It ______ the workers about 20 months to build the Huhang highspeed railway.
