Tests have proved this medicine quite effective. Starting from next month, we are going to produce it on a large ().

Still, the youngster cast the trotline far into the water, anchoring it to a stick that he () deep in the sand.

A、pitch
B、plunge
C、infuriate
D、dwindle

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So I stay at home and wait for the phone to ( ).

A. come
B. dial
C. call
D. ring

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