It is recognized that the part ___ the UN plays in international relations is important.
| A．in which | B．where | C．that | D．of which |
--- Why are you so late?
--- I was in half the way when it ________to me that I had left my notebook home, so I had to fetch it.
| A．occurred | B．hit | C．happened | D．reminded |
There______ a number of natural mysteries in the world that even make scientists ______.
| A．exists; confusing | B．are existed; confused |
| C．exist; confused | D．exist; confusing |
The house is easily______ from the rest; it has a large blue door.
| A．picked up | B．taken up | C．picked out | D．made out |
Books such as Harry Potter and Tom Sawyer’s Adventures ______ for children.
| A．intend | B．intends | C．is intended | D．are intended |
Many New Zealand cities lie ____ a bay and ____ a natural, deep harbor.
| A．on; enjoy | B．on; cover | C．off; include | D．off; have |