不明飞行物的英文缩写是__________________
A. UN B. BBC
C. NBA D. UFO
下列字母中含有相同音素的一组是______________。
A．C U B. M K
C. Y I D. H S
What color is it ?
—— It’s _________.
A. map B. a blue
C. jacket D. white
This is _________pen .
A. blue B. an blue
C. an red D. a white
—What's this?—It's ______.
A．V B．a V
C．an V D．the V
—____________?
—— It’s green.
A. What’s this B. What time is it
C. What color is it D. What’s this
