. —Why do you look worried?
—There are so many problems______.
| A．remaining to settle | B．remained settling |
| C．remaining to be settled | D．remained to be settled |
Harry has been out of work for six months, so he has difficulty _____.
| A．earning livings | B．earning his living |
| C．to earn livings | D．to earn his living |
What I want to know is _____ he likes the gift given by us.
| A．that | B．if | C．whether | D．不填 |
It is reported that large amounts of money _____ spent on the cross-sea bridge so far.
| A．was | B．has been | C．were | D．have been |
His parents died when he was five, so he was _____ by his uncle.
| A．brought on | B．brought up | C．brought down | D．brought in |
After going into the concert hall, the mother _____ a friend and went over to greet him.
| A．searched | B．know | C．spotted | D．realized |