The surface of the table ______ smooth enough.   
#102806
A
hash’t felt
B
isn’t feeling
C
doesn’t feel
D
isn’t felt
推荐题目
He _______ foreigners in his cafe before, so he didn’t know how to serve the American family.
#102169
A
had rarely had
B
had had rarely
C
rarely had
D
had rarely
You ____ television. Why not do something more active?     
#101938
A
always watch
B
are always watching
C
have always watched
D
have always been watching