_____ his knowledge of the mountainous country, John Smith was appointed as our guide.
| A．In spite of | B．On account of | C．Regardless of | D．Instead of |
The book is _______ that one.
| A．three time as long as | B．three times as longer as |
| C．as three times longer as | D．three times the length of |
The name of our country is PRC, which _____ the People’s Republic of China.
| A．stands by | B．stands for | C．stands up | D．stand out |
He came back late, _____ which time all the guesses had already left.
| A．by | B．at | C．during | D．after |
Because so many visitors are visiting our school today, some teachers have to _______ guides.
| A．serve as | B．regard as | C．treat as | D．use as |
She thinks only of herself; she doesn’t _____ other people.
| A．care for | B．care about | C．care of | D．care in |