当你写了错字时,你最需要什么文具?A.a ruler B.a rubber C.a pencil sharpener
I have lunch________school. A.in B.on C.at
She is going to________a party. A.have B.having C.had
—When is it?—It's________October 20th. A.at B.on C.in
The eighth month of the year is________. A.May B.June C.August
It's 10 o'clock. The children are________English. A.study B.studies C.studying