He wondered ________ his son was getting along with the experiment.
#59065
A
when
B
what
C
how
D
which
推荐题目
 So tired __________ after walking such a long way that I ___________ stand.
#4606
A
was I; could hardly
B
did I ; could hardly
C
was I; couldn’t hardly
D
I was; could hardly
Tony showed me his new cell phone,  _______  was small but it could change colors in different weather.  
#4967
A
the screen of whom
B
whom the screen of
C
which the screen of
D
the screen of which