Do you find this book ____________?
#50339
A
frustrate
B
frustrating
C
frustrated
D
frustration
推荐题目
—Maria likes singing. Do you often hear her _______ after class?—Yes, I do.
#49776
A
sing
B
to sing
C
sings
D
sang
It’s easy ______ English and it’s important ______it.
#49674
A
study, use
B
say, speak
C
speak, say
D
to learn, to practice