a.They keep____touch____their friends by letters.
b.Katie refused to speak____her friends____what happened last Friday.
c.Are they going to move____a new house____March 1st?
d.How many countries took part____the last Olympic Games?
e.You must write your paper____ink.
f.Were you pleased____the result?
g.The Earth depends____the Sun____its heat and light.
in/with
with/about
to/on
in
with
with
on/for