20.---Don’t you feel cold, Tim? You wear such a jacket in a day at -5℃.
---___________.I’m boiling.
A.No worry B.Take it easy
C.Not in the least D.That’s OK
19.We may be going skiing at Christmas, but it’s still all up __________.We’ll probably make the decision the day after tomorrow.
A.in the wild B.in the distance
C.in the air D.in the long run
18.I would appreciate ________ if you could teach me how to use the computer.
A.that B.this C.it D.you