There is ________"m" and ________"u" in the word "mouth".
—Is this your sweater, Joy? —No, It’s not________ sweater. ________is yellow.
---_______ the Internet ___________ in your school? ---Yes, but the computer in our office has broken down.
—Could you tell me _____________ last night? —Er, I was watching TV at home.
The little boy was heard_______ in the street when night fell down yesterday .
Mary devoted all her money she owned ___________ people in need. A to help B helping C helped D to helping