This desk is new , that one is old .
#57184
A
but
B
and
C
to
D
for
推荐题目
Miss Zhao is very helpful. She often helps us ____we are in trouble.
#58468
A
whether
B
although
C
whenever
D
however
You’d better look up the new word in a dictionary____ you don’t know it.
#55486
A
if
B
as
C
though
D
whether
---Would you like to go bike riding with us tomorrow? ---Sure, ____ I am busy.
#57802
A
since
B
unless
C
when
D
until