Mrs. Black doesn’t believe her son is able to design a digital camera, ________?
As we all know, every minute, ____full use of____our lessons , will do good to our students.
—What can I do for you? —I’d like to buy a present for my son, ______at a proper price but of great use.
They Were the Boy Scouts__________to help elderly people cross the streets.
He__________unwisely, but he was at least trying to do something helpful.
—I’d like a pen which ________well. —Will this one_______?