-If you have time tonight,I’d like to invite you to a ball. -That’s very nice of you,but are you ____?
#20767
A
free
B
careful
C
serious
D
true
推荐题目
There is a       cup on the table . 
#18519
A
nice new big plastic
B
new plastic big nice
C
nice big new plastic
D
new nice plastic big
 Everything _____ doing is worthy of _____ well.
#18296
A
worthy; being done
B
worthy; doing
C
worth; being done
D
worth; doing
Don’t be too ________ about things you are not supposed to know.
#19735
A
strange
B
amusing
C
curious
D
conscious