Before the show I practiced a lot _________ I could do well at the show.
Mr Zhang is a Maths teacher .He teaches ______Maths ______.
My grandpa likes ___________newspapers in the morning .
How many _______are there in our school ? About 20 .
Lucy with Andy _____good at Chinese .We often help them _______their Chinese .
There is ____”U” and _____”S” in the word “use”.