9.jack spends almost his time starting at his smartphone,................... is very short-sighted
a. and
b.or
c.but
d.so
10.my father loved...........horse-riding when he was young
a.doing
b.going
c.playing
d.talking
12.jennifer says that she....collecting dolls,but she............in the future
a.will like/won't continue
b.likes/won't continue
c.likes/continues
d.will like/continues
13.it is interesting..... tree leaves from different countries
a.collecting
b.to collect
c.collect
d.collects