--Would you like to do ______ to protect our earth? -- Of course, I’d love to.A.anything usefulB. useful somethingC. something useful
good advice it is! It helps me a lot.
I still remember the classroom and the classmates______ I studied last year..
My teacher encouraged me _______ more books.
The car is_______ expensive_______ I can’t afford it.
Our school life is ________________ happiness and sadness.