I ________ a student last year but now I ________ a teacher.
A. am；am B. was；am C. am；was D. was；was
My brother taught me how ________ a model plane yesterday.
A. make B. making C. made D. to make
Sam thinks history is an ________ subject. He is ________ in it.
A. interesting；interesting B. interested；interesting
C. interesting；interested D. interested；interested
Everything in the museum ________ about animals．
A. is B. are C. have D. has
This is a ________train．It stops at a lot of places．
A. quiet B. slow C. scary D. dirty
Don't ________，Bill. We'll help you finish the job on time.
A. talk B. relax C. fight D. worry
