Do you find this book ____________?
#50339
A
frustrate
B
frustrating
C
frustrated
D
frustration
推荐题目
 When I walked past his house, I heard him _______.
#50226
A
to sing
B
sang
C
sings
D
singing
He thought about  ______Greece or Spain for vacation.
#50051
A
go to
B
to go to
C
going to
D
going
I’d invite her ______ dinner at my house tomorrow.
#48891
A
have
B
having
C
has
D
to have
She’s afraid of ______  in front of other people.
#50438
A
speak
B
speaks
C
speaking
D
spoke
They had fun ______ games in the park.
#50022
A
play
B
playing
C
plays
D
played