Mother’s Day is________the second Sunday in May in the United States.A. on B. in C.at
______ he was tired after the daily hard work, Mo Yan was hungry for books.
I think no bed here is big enough for him______.
-------I called you at half past nine this morning, but there was no answer. ------Oh, sorry. I _____ with my cousin in the supermarket.
Water is so important that ______ everyday tasks can be completed without it.
Last week Lily’s father bought her__________MP4 as___________birthday present.