A cut in the tissue is easy to heal but a(an) _______ to the heart, if possible, takes a long time to do so.
| A．injury | B．damage | C．hurt | D．wound |
Upon reaching an/a ______ age, children are encouraged, but not forced, to “leave the nest”.
| A．appropriate | B．potential | C．permanent | D．automatic |
My sister, ______ for months to find a job as a teacher, finally took a position in Wenzhou Daily.
| A．struggling | B．struggled | C．to struggle | D．having struggled |
The report was not concrete and in a way lacked persuasion, but ______, I felt it is fair.
| A．above all | B．in others words | C．on the whole | D．on average |
Many things ______ impossible in the past are very common today.
| A．consider | B．considering | C．considered | D．are considered |
She is believed______ the train, otherwise she would have arrived here by now.
| A．to miss | B．to have missed | C．to be missed | D．to be missing |