The Smiths ______ sending e-mails ______
题型：选择题
问题：
The Smiths ______ sending e-mails ______ letters because it is fast
er.[ ]
A. prefer; to writing
B. prefer; to write
C. prefers; to writing
D. prefers; to write
The Smiths ______ sending e-mails ______ letters because it is faster.[ ]
A. prefer; to writing
B. prefer; to write
C. prefers; to writing
D. prefers; to write