1 母亲节是每年5月的第2个星期天（fall)

1 母亲节是每年5月的第2个星期天（fall)Mother's Day falls on the second Sunday of May every year。2 他的母亲1整夜都睡不着（throughout）His mother couldn't fall asleep throughout the whole night。或：His mother was sleepless throughout the whole night。[你写错了,是throughout,而不是throught]