being shy is normal, it is when the shyness interferes with an individual’s daily communication with others ________ it becomes a disorder.

ve left the classroom key insideagain—No.I’ve got it with me this time,but Ihave forgotten ______ the door

When we heard the good news, we all jumped ________ .

One can’t only________ himself and his family.—I agree. If so, others won’t think about you.

It is well-known that the panda lives _____there isplenty of bamboo