It is much easier to talk about social change than to .
| A．bring it on | B．bring it about | C．bring it up | D．bring it out |
The dining room is clean and tidy, with a table already ______for a big meal．
| A．being laid | B．laying | C．to lay | D．laid |
____ some teenagers don’t realize is ____ difficult life can be after they get addicted to drugs.
| A．What；how | B．What；what | C．That；how | D．That；what |
Among Asimov's most famous works of science fiction, one _____he won an award, was the Foundation Trilogy.
| A．of whom | B．of which | C．for whom | D．for which |
Some retired people have nothing to do. They often get together and ____for hours talking about their past experiences.
| A．look around | B．get around | C．turn around | D．sit around |
My friend warned me ______ going to the East Coast because it was crowded with tourists.
| A．by | B．against | C．on | D．for |