—What worried him so much?—His hair’s            grey.
#67531
A
going
B
becoming
C
turning
D
staying
推荐题目
Spring comes and the grass is beginning to ____________.
#67122
A
stand up
B
come up
C
bring up
D
build up
He managed to ____him of the disease.
#69204
A
treat
B
look after
C
cure
D
take care of