Parents should see to it _______ their children form the habit of brushing their teeth every day.
#77388
A
this
B
that
C
whether
D
if
推荐题目
When someone gets old they often go to live in a home with other old people ________ there are nurses to look after them.
#76029
A
although
B
that
C
where
D
unless
He gave us another piece of advice, ________ of great help to the research work.
#77225
A
which I think is
B
which I think it is
C
I think which is
D
I think it is
In English class, our teacher often creates an environment _____________ we are given the opportunity to solve problems ourselves.
#77566
A
when
B
which
C
where
D
that
She'll never forget her stay there ________ she found her son who had gone missing two years before.
#75565
A
that
B
which
C
where
D
when
