David had prepared carefully for the chemistry exam, as he wanted to be sure of passing it at the first _____.
#12300
A
experiment
B
intention
C
aim
D
attempt
推荐题目
Come and see me whenever _______.
#12544
A
you are convenient
B
it is convenient for you
C
you will be convenient
D
it will be convenient for you
He became self-satisfied because of his _____.
#12379
A
achievements
B
observation
C
behavior
D
Interests