-- I called you this morning, but nobody answered it.
-- Oh, we ______ some shopping at the supermarket.
| A．are doing | B．were doing |
| C．have done | D．did |
Come on. Don’t stop. The _______ you work, the _______ grades you will get.
| A．hardest; best | B．hardly; well |
| C．harder; better | D．hard; good |
In order ____________ for the meeting, my sister had to get up early this morning.
| A．not to be late | B．not being late |
| C．to be late | D．being late |
I think English is as _______ as math.
| A．more interesting | B．most interesting |
| C．the most interesting | D．interesting |
________ a walk is good for your health.
| A．Take | B．To take |
| C．Taking | D．To takeing |
This tall building has _______ floors. And Tony lives on the ______ floor.
| A．twelve; twelve | B．twelfth; twelfth |
| C．twelve; twelfth | D．twelfth; twelve |