Sometimes our opinions differ _________ what we choose to observe and how we deal with what we’ve observed
| A．which | B．since | C．because | D．because of |
The last time we had great fun was __________ we were visiting the Water Park.
| A．where | B．how | C．when | D．why |
As a writer, he used to go deep into life to __________ materials for his creation.
| A．accumulate | B．accelerate | C．apologize | D．Absorb |
You should take advantage __________ this opportunity and try to make a good impression __________ them.
| A．of; of | B．over; on | C．over; of | D．of; on |
There was a (an) __________ silence between us after we were left alone in the sitting-room.
| A．awkward | B．angry | C．adequate | D．patient |
You will succeed in the end __________ you give up halfway.
| A．even if | B．as though | C．as long as | D．unless |