I know that it will be difficult to pick him out in such a crowd, but if you ________ happen to see him, give him this packet.
| A．would | B．might |
| C．should | D．could |
Can you image that a well-behaved gentleman _______ be so rude to a lady?
| A．might | B．need | C．should | D．would |
What’s the _______ of having a public open space where you can’t eat, drink or even simply hang out for a while?
| A．sense | B．matter | C．case | D．opinion |
Don’t hurry me. One more minute, _______ I will solve this problem.
| A．or | B．so | C．but | D．and |
--It’s a lovely day, isn’t it?
--Yes. I love _______ when the weather is like this.
| A．this | B．that | C．it | D．one |
This is a very convenient place to live in,is an airport connecting all the big cities.
| A．20 km northwest of it | B．20 km northwest of which |
| C．northwest 20 km to it | D．northwest 20 km of which |