You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family.
#92509
A
doing; doing
B
doing; to do
C
being done; to do
D
being done; doing
推荐题目
 I don’t remember how many years ago ____ I last showed you around the old campus.
#91962
A
it was that
B
was it that
C
it was which
D
was it when
Modern science and technology has ___ communication between people far apart.
#94771
A
made convenient
B
made it convenient
C
made it convenient for
D
made it convenient to