Robert is said _____ abroad, but I don’t know what country he studied in .
| A．to have studied | B．to study |
| C．to be studying | D．to have been studying |
It was the first time she ___ her motherland.
| A．has left | B．left | C．had left | D．leaves |
Peru is, ______, a very beautiful country、It is so attractive that tourists from all over
the world come to visit it.
| A．without question | B．out of the question | C．in question | D．under question |
_____ I am concerned, Peru is well worth a visit.
| A．Even if | B．In my opinion that | C．As is known that | D．As far as |
When Xie Lei made progress in her study abroad, her parents encouraged her to ____.
| A．make it up | B．keep it up | C．build it up | D．lift it up |
It is a truth universally ______ that a single and rich man must be in want of a wife.
| A．achnowledging | B．achnowledged |
| C．be achnowledged | D．to achnowledge |