—How much does the pen _____ you?—Ten yuan
----I don’t know _____next. -----Let’s go to ask our teacher.
There are ___months in a year and December is the ______month of a year.
Our teacher always says, “_____careful you are, _____mistakes you’ll make”.
---I often study English _____listening to tapes.How about you? ----I always watch English movies ___TV.
---Do you know ______famous tennis player named Li Na? ---Yes. She plays tennis well.