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 |
______ is conveyed here to children is that reading is one of life’s greatest treats.
| A．As | B．What | C．That | D．It |
It is not until midnight ______ he goes to bed every day.
| A．before | B．when | C．since | D．that |
--- You can’t have enjoyed your picnic in the rain last Saturday, I’m afraid.
--- On the contrary, we ______.
| A．can | B．must | C．did | D．have |
Don’t be too proud of yourself. Do you really think you are ______?
| A．anybody | B．somebody | C．nobody | D．everybody |
Make good preparations for your self-driving trip ______ you’ll regret it when your car breaks down in a remote area.
| A．and | B．so | C．but | D．or |