—Who called just now, Sam?—It’s Mona. She asked _____.
Lucy with Andy _____good at Chinese .We often help them _______their Chinese .
There is ____”U” and _____”S” in the word “use”.
A:Where _________she ____________? B: China .
–_______? –I like tennis and volleyball best
-不明飞行物的英语缩略形式是______。 A. UFO B. BBC C. NBA