He is believed____________ in at his office on his way home.
| A．dropping | B．to have dropped |
| C．having dropped | D．to be dropped |
Shortly after suffering from a massive earthquake and to ruins, the city took on a new look.
| A．reducing | B．reduced | C．being reduced | D．having reduced |
Team leaders must ensure that all members their natural desire to avoid the embarrassment associated with making mistakes.
| A．get over | B．look over | C．take over | D．come over |
I am always delighted when I receive an e-mail from you. the party on July 1st, I shall be pleased to attend.
| A．On account of | B．In response to | C．In view of | D．With regard to |
There are some health problems that, when in time, can become bigger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not having been treated |
Bears fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
| A．pack up | B．build up | C．bring up | D．take up |