—How about joining us in the summer camp? —I wish I could, ___________ I have to practice for the piano test.
#56543
A
because
B
so
C
but
D
although
推荐题目
—How big the Green Expo Garden is!—It is. You will get los t easily you have a map or a guide.
#55376
A
unless
B
until
C
if
D
because
Yesterday morning I was just leaving_______ the telephone rang.
#55954
A
when
B
while
C
because
D
since
