动词填空 (本大题共8分，每小题1分)
We ________ often ____________(tell) to take care of our desks and chairs.
  _______ it ____________(rain) heavily when you came back home from work yesterday?
They are discussing how _______________ (keep) in touch since they have become good friends.
---I have great trouble _______________(finish) the project by myself. Could you help me?
--- No problem.
Someone _______________(pick) you up when you arrive at the station.
Nobody but Jim and John _______________(finish) the last maths problem . Our teacher is a little worried.
We’d better _______________(not take) photos here. There is a sign “No photos.”
Mother was excited. She never ________________(expect) such a lovely present from me.