The work we are doing is quite difficult
题型：选择题
问题：
The work we are doing is quite difficult, so your support will certainly________.[ ]
A. make any difference
B. make a difference
C. be very different
D. be of some difference
The work we are doing is quite difficult, so your support will certainly________.[ ]
A. make any difference
B. make a difference
C. be very different
D. be of some difference