A. to do B. do C. that I do D. doing
A. are helping B. helped C. helping D. helps
A. believe B. to believe
C. believing D. believed
A. put B. putting
C. to put D. puts
A. teach B. teaching C. taught D. to teach
A. adjusting B. adjusted C. to adjustement D. to adjust
A.which B.at which
C.in which D.with which
A. which I think it is B. of which I think is
C. I think which is D. which I think is
A. that B. this
C. it D. which
A. who B. what
C. which D. that
A. preferable B. considerable C. possible D. available
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