____ doesn’t seem to have been much difficulty in solving the problem [ ]

Do you know _____ will teach us Englishnext term— Miss Li.

Does Jim do his new job well? — __________ his old job. — How stupid! I fear there’s no hope for him.

Don’t forget ______ the door when you leave.

It was reported in the newspaper that one of our students got the first place in the last Provincial Chemistry Olympic Contest _____in June [ ]