Faced with difficulties, you should believe your confidence is _______ makes a difference.

He told me that by the end of this year they______together for twenty years．

I can’t _______ another task, now I have more than I can do． —— In this way, I will ask someone else．

The earth seven continents(大洲)

undred of the tourists were savedfrom danger in Taiwan, but the rest ______ still missing— If only the travel agency ________ moremeasures to prevent such accidents