One of the most famous places of interest in China _________ the Palace Museum.
| A．be | B．is | C． am | D． are |
---__________ does it take to finish your homework? --- For an hour.
| A．How many | B．How much |
| C．How long | D．How soon |
He sometimes ___________ a train to work.
| A．by | B．take | C．takes | D．catch |
Lily isn’t as __________ as Peter. She often makes mistakes in her composition.
| A．careless | B．careful |
| C．carelessly | D．carefully |
He is a ___________ student, and he always listens to the teachers ___________.
| A．careful; careful | B．careful; carefully |
| C．carefully; carefully | D．carefully; careful |