When did pesticides become widely used in the United States?
A. )After WWI.
B. ) After WWII.
C. )Before WWII.
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What decision was made by the US government in 1969?
A. )The use of DDT must stop right away.
B. ) The use of DDT must stop before 1971.
C. ) The use of DDT should be encouraged.
In silence the others watched him as if under a ____.
A. spell
B. spelt
C. spelled
D. spelling
The country has been ____ by severe economic problems.
A. strike
B. stricken
C. striking
D. stroke
They ____ with the accounts of the company.
A. accused
B. tampered
C. altered
D. charged
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