The poor little girl was _________young to know ______________ when her parents suddenly died in an accident.
| A．so; what to do | B．too; what to do | C．so; how to do | D．too; how to do |
He has been running______.
| A．since two hours | B．for two o’clock |
| C．two hours ago | D．for two hours |
We’ve been _____ for her for 5 hours.
| A．wait | B．waiting | C．to wait | D．waited |
_____ you study, _____ grades you will get.
| A．The hard, the good | B．The harder, the better |
| C．Harder, better | D．The better, the harder |
There isn’t ______ in the room.
| A．someone else | B．else someone |
| C．anyone else | D．else anyone |
－When shall we go to Hong Kong for holiday?
－ I am not sure yet. _______ this Sunday ______ next Saturday is ok.
| A．Neither; nor | B．Both; and | C．Either; or | D．Not only; but also |