(C13) ______
A. overtaxed
B. overdosed
C. overweighed
D. overlapped
(C2) ______
A. accelerating
B. strengthening
C. declining
D. fluctuating
(C11) ______
A. through
B. across
C. into
D. towards
(C18) ______
A. refutably
B. indispensably
C. inevitably
D. respectively