As he never raises a finger to help me with the dinner, I       the thanksgiving meal from this afternoon till now.
#100448
A
have been preparing
B
prepared
C
had been preparing
D
prepare
推荐题目
In 1960, this was the longest bridge that __________.
#104497
A
was ever built
B
had ever built
C
has ever been built
D
had ever been built
With the development of science,more new technology      to the fields of IT.
#104546
A
has introduced
B
is being introduced
C
is introduced
D
was introduced