It is hard to do sth object sb. do sth be afraid of sb agree with sb. be busy with sth. be afraid to do sth. give sb. sth. show sb.sth. be good at=do well in be pleased with... be different from... be careful with... cover sth. with sth.用..遮住.. would like to do sth. it take sb. sometime to do sth. s...
