This problem may _______ more serious ones if left unsolved.
#72583
A
come across
B
refer to
C
carry on
D
lead to
推荐题目
These are all ________houses for the homeless.
#82903
A
newly - building
B
newly-builder
C
new - building
D
newly - built
---Are you a teacher?      ---No, but I _______.
#65853
A
used to
B
used to being
C
used to be
D
was used to