_____ Mom had asked Jack to close the window before he went out,______ he forgot to do it.
Students in the USA spendtime their homework than we do.
Chinese students have _________ weeks ______the summer holiday than American students.
.We can do the work better with _____ money and ____ people.
We will have a __________test next week.
----Would you please not smoke here? Look at the sign. ---- ________.