The bird’s singing came into our room _____ the window and woke me up in the early morning.

With a large amount of work _______, thechief manager couldn’t spare time for a holiday.

What does the letter “o” in the word “mother” pronounce发音

I hear Mr White will give us a speech on human rights instead of Mrs Li. — It be him — he has gone to New York City.

It is on 1st Sept. ________ students go back to school every year.