Mr. Smith owns——collection of coins than anyone else I have ever met．
| A．1arger | B．a larger | C．the larger | D．1arge |
The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
______ he referred to in his article was unknown to the general reader.
| A．That | B．What | C．Whether | D．Where |
Small sailboats can easily turn over in the water ______ they are not managed carefully.
| A．though | B．before | C．until | D．if |
His movie won several awards at the film festival, ______ was beyond his wildest dream.
| A．which | B．that | C．where | D．it |
The Town Hall ______ in the 1800’s was the most distinguished building at that time.
| A．to be completed | B．having been completed |
| C．completed | D．being completed |