September 18, 1937 is a day _______ all Chinese will remember forever.
#76362
A
when
B
what
C
不填
D
why
推荐题目
It' s a pity that there are many teenagers _____only on-line activity is chatting with their e -pals !
#75860
A
who
B
that
C
which
D
whose
Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and _______ which nothing can escape.
#76704
A
into; from
B
towards; towards
C
out of; from
D
through; through
With the rapid development of the city, he can hardly find the place __ he used to play with his childhood friends.
#77876
A
where
B
when
C
there
D
which