---Why are you busy these days?-- I am writing a book.
#56484
A
since
B
as
C
for
D
because
推荐题目
— When shall we leave for China? — We won’t we have visited all the places of interest here.
#57775
A
until
B
while
C
as
D
since
The policeman is still not sure ______ the young man killed himself or was killed.
#56983
A
if
B
that
C
whether
D
weather
My sister is only five, but she always tells me ____ my pictures are good or not.
#58117
A
if
B
whether
C
that
D
how