136. The _____ planning is an essential national policy of our country, which encourages each couple only to bear one child.
That tests can actually give measurement of the language skills of the students_______ by many teachers.
--- Isn’t it Ann’s husband over there? ---- No, it ______ be him---I’m sure he doesn’t wear glasses.
_______ she is, she has not much inside.
He hadn’t seen his mother for a long time, so when he saw his mother he _____ crying.
_________ it takes many years to gain the skills of an expert.