Lian Zhan, the Chairman of the KMT, enjoyed the scenery of the Huangpu River _______ the night of May 1st. [ ]

I hear the plane of MH370 has been found!—Really？I wonder if some people are still alive.

The oral test counts 20 % _____ the final English exam.[ ]

_______ do you go to see your grandparents?—Once a week.

Living on Mars isn’t ________ as it sounds.