21．—Dr. White has got plenty of information about UFO. He’s promised to offer it to me.
—I have as much. Would you like to have mine ______？
A. as well B. as possible
C. so far D. if so
22．All cars ______ nowadays are equipped with safety belts, ______ are helpful to drivers.
A. being produced; they
B. to be produced; which
C. produced; which
D. produced; they
