21. There are a few spelling mistakes; , it’s quite a good essay.
A. all in all B. even though C. if so D. even so
22.－Can you accompany your little brother to the post office now?
－______， if he is ready.
A．By all means B．No way C．My pleasure D．In no case
23.The the two friends have kept in with each other is becoming closer and closer.
A. relation B. tie C. link D. touch
