He had a large collection of books, ______ are written in foreign languages.
A. many
B. many ones of which
C. many of which
D. many in which
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The book is for the students ______ native language is not Chinese to study in a Chinese college or university.
A. their
B. that
C. whose
D. of whom
Geologists cannot accurately predict ______ the live volcano will erupt again.
A. when
B. which
C. is that
D. and when
______ said under oath was disputed by several other witness.
A. It is the man
B. What the man
C. That the man
D. The man has
______ I was going to college, I was also working as a waitress on weekends.
A. During the time that
B. At the moment that
C. In spite of the fact that
D. On the ground that