Complete these sentences with a suitable verb , using prefixes.
(take;pack;do;open;lock;sleep;understand;appear;hear;charge)
1.if she fails her exam , she can...it in the autumn
2.i wrote the wrong answer because i .... the question
3. When I ... i feel even more tired than when i wake up
4.I got to the hotel at 4:00but i couldn't ... my stuff until later
5. I turned left instead of right .Obviously I ... what she said
6.It's closed for summer , but it will .. in September
7. The children were here a minute ago , but now they've ...
8.John had a key but it wouldn't ... the door
9.A: It says here $3 , but the man asked me for $5
B:In that case he has ... you
10. Do I you think I can ... my homework if it's not very good?