There was a stampede towards the stage when the singer appeared.
A. trample
B. rush
C. panic
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Certain growth factors spur stem cells to morph into specific kinds of cells, such as bone or muscle.
A. grow
B. move
C. change
The war devastated the economy and saddled the country with a huge foreign debt.
A. burdened
B. harnessed
C. oppressed
Being caught a third time will incur a hefty fine of $200.
A. great in force
B. strong in build
C. large in size, weight, or amount
The heavyweight champion will be given a shot at Holyfield's world title.
A. score
B. try
C. warning