It is high time, I think, that you got down to ______ something in class.
#93317
A
do
B
did
C
doing
D
does
推荐题目
______________ twice a year, whether it is a car, a bus or a truck, is the rule that every driver must obey in this city.
#92440
A
Examining
B
Examined
C
Having been examined
D
Being examined
According to some theories ________ from psychoanalysis, life is supposedly easier; and more pleasant when anxiety is overcome.
#95239
A
obtain
B
obtaining
C
to obtain
D
obtained
his homework, he went out to meet his friends.
#92419
A
Having finished
B
finished
C
To be finished
D
To finish
My friend Jack was the first person I knew ______an iPhone 5S.
#89592
A
using
B
to use
C
used
D
having used