When Peter speaks in public, he always has trouble the right things to say.
A well-written composition _______a good choice of words and clear organization among other things .
Although the working mother is very busy , she still _______a lot of time to her children .
The _______the young man left on us is that he was from a respectable family.
So far, no agreement ________ on which type of exercise is best suitable for keeping fit.
In China's countryside, villagers often have the same family name, but ________ not be closely related.