电子课本网 第39页

第39页

信息发布者:
A
A
B
B
will be prepared
practising
am using
exercises
has stepped
didn't attend
To print
will change
stopped/prevented us (from) taking part in/kept us from 
taking part in/attending
seems (to be) different from ours
How much time/How long does it take you to
who to ask for help
why fewer and fewer people are interested in