As you know, it is my duty to __________ my younger sisters from being hurt when they are in danger.
—I hear Mike refused to tell the truth and was taken away by the police. ---Where did you ____?
—Have Mike and Tina sold out all of the English storybooks? ---Yes,completely.____ is left.
—Have you ever been to Washington? ---Yes, ____shall I forget ___ it for the first time.
The firemen told us the difficulty they had ___ the fire ___.
—You seemed to be deeply struck by his skill. ---Not exactly so.It was his determination ___his skill that really struck me most.