Regular exercise is important, ______ it's never a good idea to exercise too close to bedtime.
| A．if | B．as | C．but | D．and |
He wants to be a doctor when he ________.
| A．looks up | B．grows up |
| C．gets up | D．comes up |
—Who ________ for the match? —Sam and Ben.
| A．chose | B．choose |
| C．was chosen | D．chosen |
People in the world know Confucius ______ a great thinker and educator.
| A．as | B．for | C．to | D．with |
This pair of shoes is beautiful and expensive. It’s made ________ hand.
| A．in | B．with | C．by | D．on |
Would you like ________ ice cream now?
| A．eat | B．ate | C．eating | D．to eat |