Sam some knowledge of the computer just by watching others working on it.
The _____ as one travels by boat along the Changjiang Three Gorges is fantastic.
I _____ all the cooking for my family, but recently I’ve been too busy to do it.
--- How many concerts ____ up to now?--- About 25. Last night we ____ our biggest one.
We have a lot of _____ at Senior High School, and at the same time the _______ in studying we have made is rapid.
________ my previous teachers, the senior high teachers are more knowledgeable and have more sense of humor.