He is afraid of ___________ strangers.
| A．see | B．seeing | C．saw | D．seen |
There’s no ________ from my bedroom window except for some factory chinmneys.
| A．view | B．scene | C．sight | D．scenery |
What a table! I’ ve never seen such a thing before. It is ______ it is long.
| A．half not as wide as | B．wide not as half as |
| C．not half as wide as | D．as wide as not half |
"On no account ____to feed the animals", the warning can be seen on the signboard in front of every cage.
| A．allow visitors | B．visitors are allowed |
| C．are visitors allowed | D．are allowed visitors |
Thinking ______ you know_______ in fact you don’t is a terrible mistake.
| A．that; that | B．what; what | C．that; what | D．what that |
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
| A．if never | B．if ever | C．if not | D．if any |