The university wants its undergraduates to __ a regional language, if time permits.
| A．take up | B．take after | C．take on | D．take over |
. 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 |
. ___________ anything about the accident, he went to work as usual..
| A．Not known | B．Known not | C．Knowing not | D．Not knowing |