_____several times，but unfortunately，the boy still couldn’t smooth away the problem on his own.

ionally, college students hold a graduationceremony to encourage themselves before they ontheir life jouney.

Progress so far has been very goodWe are________confident that the work will be completed on time

The little boy is dirty from head to foot because he ______ in the mud all morning

ver there—there’ s a very long, winding path_________ up to the house