Someone knocked at the door while I a model plane.
A. made
B. was making
C. am making
D. make
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She was one of tennis players of her generation.
A. good
B. better
C. a best
D. the best
Since we havetime left, we must solve this problem immediatly.
A. a little
B. a few
C. little
D. few
It is necessary to reward children appropriately, this helps strenghen their confidence.
A. because
B. till
C. in case
D. unless
The house looks as if it has not been lived for years.
A. little white wooden
B. little wooden white
C. white wooden little
D. wooden white little
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