Little Tom _____computer games when his mother got home.A. is playing B. plays C. was playing
I find _______necessary to do everything we can ____________protect the environment.
________ Lucy’s pictures. They are nice.
Tom likes reading books when he ________.
---________ doesn’t Jim look happy today? ---He _______ happy because he doesn’t do well in his English.
--________ your friend? -- He is OK.