At the sight of the policeman _____from behind the door.
| A．did the boy rushed out | B．rushing out was the boy |
| C．out rushed the boy | D．the boy was rushing out |
Rather than ________ on a crowded bus，he always prefers ________ a bicycle.
| A．ride；ride | B．riding；ride |
| C．ride；to ride | D．to ride；riding |
Like some of my classmates，I cannot live up to my teachers' expectations；________，I let them down.
| A．in other words | B．after all |
| C．what's more | D．more or less |
We may find that learning a foreign language does not have to be________learning our mother tongue，but can in fact be twice ________.
| A．twice as hard as；as easy as |
| B．as twice hard as；as easy |
| C．twice as hard as；as easy |
| D．as twice hard；as easy as |
Equipped with modern facilities，today's hospitals are quite different from __________ of the past.
| A．that | B．those | C．one | D．ones |
—Serina has been watching the TV series the whole night.
— ________.
| A．So her parents have | B．So have been her parents |
| C．Her parents have been so | D．So have her parents |