She is said _____in the United States for four years before she came back to work in our company.
| A．to study | B．to be studying |
| C．to have studied | D．studying |
相关试题
Eight children were killed and five were wounded the second knife attack that happened in Fujian Province on March 23,2010.
| A．as a result of | B．as for | C．in addition to | D．in favor of |
to sunlight for too much time will do harm to one’s skin.
| A．Being exposed | B．After being exposed | C．Exposed | D．Having exposed |
On the contrary,I think it is Tom, you, to blame.
| A．more than; are | B．less than; who are |
| C．rather than; that is | D．rather than;is |
.Danny left word with my secretar
y he would call again in the afternoon.
| A．that | B．who | C．as | D．which |
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