He arrived home very late last night, __________in the early hours this morning.
| A．or else | B．or rather | C．rather than | D．more than |
The lawyer was looking through the documents __________ immigration laws.
| A．related with | B．related to |
| C．relates to | D．both B and C |
A (n) __________ of scientists are looking into the matter and have realized a certain __________ of time is to be spent.
| A．number; amount | B．number; amounts |
| C．amount; amount | D．amount; number |
Your face seems __________. I haven't met you here in the old days.
| A．unfamiliar | B．unknown |
| C．unsimilar | D．alike |
Can you __________ behind after the others have gone and help me clear up?
| A．stay | B．fall | C．remain | D．turn |
Duncan, __________ NBA star, is one of __________ few basketball players who are very popular with Chinese fans.
| A．an; the | B．an; a |
| C．the; the | D．the; a |