Little children should go to school to learn something. ______，they should learn how to behave well in social life.
| A．After all | B．In all | C．At all | D．Above all |
There is no doubt _______ international cooperation is the key to _______ with cyber crime.
| A．whether; doing | B．that; dealing | C．whether; do | D．that; deal |
Please do me a favor----_____ my friend Mr. Smith to Youth Theater at 7:30 tonight.
| A．to invite | B．inviting | C．invite | D．invited |
It took me quite a long time to ________ the new environment here.
| A．adapt to | B．relate to | C．apply to | D．attach to |
He made another wonderful discovery, ______ of great importance to science.
| A．which I think it is | B．which I think is |
| C．which I think | D．I think which is |
Would it be ________ for you to pick me up at four o’clock and take me to the airport?
| A．free | B．vacant | C．handy | D．convenient |