There is no doubtone who gets to the finishing line first will win the first prize.

It is convenient for people to work by subway. It’ssaid that The Line 4 subway in Chengdu _______by the time of 2018.

st thirty years _____ the greatestnumber of laws stopping our rights and progress,until today we have reached astage ____ we have almost no rights at all.

Have you ever traveled to any foreign country—Sure. I in a small town in the USA with my grandparents.

No one knows ______ the task will last. What a pity!