The story took place in Europe in the days before automobiles __ everyone used horses.
| A．which | B．when | C．where | D．as |
Claire had her luggage an hour before her plane left.
| A．check | B．checking | C．to check | D．checked |
It took her a long time to ______ the skills she needed to become a famous player
| A．acquire | B．inquire | C．require | D．request |
He _____ of _____ he had said at the meeting.
| A．was accused; that | B．was accused; what |
| C．was charged; what | D．accused; what |
—Can I call you back at two o’clock this afternoon?
—I’m sorry, but by then I______ to Beijing. How about five?
| A．fly | B．will fly | C．will be flying | D．am flying |
--- Why do you want the book?
---- _________, sir.
| A．Studying | B．Studies | C．To study | D．Studied |