选词填空题,comfortable enter fear handle however manage responsib

选词填空题,
comfortable enter fear handle however manage responsible share shortly smart succeed surround
1:George is a very___boy;he is one of the best students in his class
2:you have to work hard if you want to___in your courses.
3:___after you left,agirl came into our office looking for you.
4:At first,the course was a bitdifficult for me but I___to pass the final exam with a fairly good grade.
5:Mary is my best friend and I always___my secrets with her.
6:The lost traveler was filled with___when he saw a bear running toward him
7:When you're away from your family,you have to be___for yourself.
8:At first,he was afraid of being off by himself.Shortly,___,he became used to living alone.
9:Children in China___school at the age of 6 or 7 and must study there for at least nine years.
10:The earth is___bu air,which makes up its atmosphere.
11:If you can't___the job,I'llget someone else to do it.
12:John was so___and warm in bed that he didn't want to get up.