Many teenagers say that _____ they have a lot of friends, they really have no best friend.
#32317
A
when
B
while
C
if
D
because
推荐题目
________ excited Geoff Marcy most was whether there were planets in other solar system where life might exist.
#31534
A
It
B
That
C
What
D
Why
She’ll never forget her stay there ________ she found her son who had gone missing two years before.
#80671
A
that
B
which
C
where
D
when
Tom looked upon the test as an obstacle _____ his classmates regarded it as a challenge.
#31299
A
while
B
because
C
unless
D
if
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
#30966
A
that
B
whether
C
what
D
how
Mike resembles his mother in appearance _____ his personality follows his father's.
#31799
A
who
B
which
C
while
D
where