Experts say ________ to sunlight for too much time will do harm to one’s skin.
| A．exposed | B．having exposed |
| C．being exposed | D．exposing |
The twins look alike,but they _____in character.
| A．different | B．differ | C．distinguish | D．transform |
----Where_____the recorder ?I can not see it anywhere.
-----I_____it right here.But now it is gone!
| A．did you put,have put | B．have you put, put |
| C．had you put,was putting | D．were you putting,have put |
It is______to everyone that the boy has been badly treated.
| A．obviously | B．obvious | C．apparently | D．clearly |
I still remember the day _______I first came to Beijing.
| A．when | B．whom | C．which | D．that |
The worker_______left leg was broken was sent to hospital at once.
| A．who | B．whose | C．why | D．which |