英语填空stand for,consist of ,at least,in a flash,on the abacus

英语填空
stand for,consist of ,at least,in a flash,on the abacus ,in words,start from,write down,in ancrent times,in many different ways,use one's brain,square root
One should drink( )8 glasses of water every day.
what does ATM（ ）
you can work out the problem （ ） .
（ )and you will ge the correct answer.
Modern electronic calculators can calculate （ ）.
Please （ ）what you saw and heard on your way here.
Could you tell us something about the accident （ ）
This machine （ ）many little small store.
The big foot company( )a small store.
After practising,he can draw an egg( )
Do you know how many beads there are (
The abacus was a great invention( ).