---It is known to all that this factory pours lots of waste water into the Changjiang River every year.
---- _________ near my hometown.
| A．So does it | B．So it is | C．So the one does | D．So does the one |
. Don't you remember ___________ ?
| A．seeing the man before | B．to see the man before |
| C．saw the man before | D．to have seen the man before |
. People couldn't help ___________ the foolish emperor in the procession.
| A．laugh at | B．to laugh at | C．laughing at | D．laughing on |
. We’re looking forward ___________ the photo exhibition.
| A．to visiting | B．to visit | C．to having visited | D．visiting |
. The girl ___________ under that tree is my sister.
| A．sitting | B．sits | C．is sitting | D．sat |
. This sentence needs ___________ .
| A．a improvement | B．improve | C．improving | D．improved |