--The concert won’t start till seven. Why____ so early?
--You know I don' t want to be at the traffic there. It’s terrible during the rush hour.
| A．are you leaving | B．do you leave |
| C．were you leaving | D．had you left |
They look forward to ___ China once again.
| A．visited | B．visit | C．visiting | D．visiting to |
These books are not allowed ___ away.
| A．to take | B．take | C．taking | D．to be taken |
Many new houses are said ___ already.
| A．have built | B．to build | C．to be built | D．to have been built |
___ in very good spirits, he worked harder than before.
| A．have built | B．to build | C．to be built | D．to have been built |
The museum ___ at the corner of the street was built in 1879.
| A．stood | B．stand | C．stands | D．standing |