Fill in the proper prepositions in the following!

请英语高手帮忙, 很简单的哦~~~~~~~~~~!
1. The peasant workers have flocked to the cities______ their millions.
2. The truck tires are already ____ with use.
3. since you decide to the job, you should carry it ____ to the end.
4. He published an article ____ a false name, criticizing the government.
5. I know nothing of it _____ what he told me.

Fill in the proper prepositions in the following! Fill in the proper forms of the words in brackets 帮我Fill in the words in their proper form Fill in blanks with the verbs in ttheir proper forms. Fill in the blanks with the words in the box in their proper forms fill in the blank with the phrase in its proper form Fill in the blanks with the proper form of the words below read the following letter and fill in the blanks with proper relative pronouns or relative adverbs Fill in the blanks fill in the blanks.