It is of great importance _______ parents say and do in family life, which may have a life-long effect on their children.
The little boy looked __________ at the __________ tiger.
I don't think __________ possible to master a foreign language without much memory work.
Sandy could do nothing but __________ to his teacher that he was wrong.
Will you be able to attend the lecture __________ next week?A giving B. givenC. to be given D. being given
The government must take measures to prevent the river __________.