[ Grammar ]
SUBJECT-VERB AGREEMENT: Choose the right form of the verb. When there ____________ thunderstorms approaching, we are always reminded of the threat of tornadoes.
A. IS
B. ARE

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Grammar › ViewAt present, timberlands cover 30% of the area, but wooded areas are being lost ____ a regular basis because people are looking for homes, food, and materials.
A. by
B. with
C. at
D. on
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Ben ……….. in his ability to overcome difficulties.
A. is always believing
B. has always believed
C. has always been believing
D. believed
Articles › ViewI want to be ______ nurse.
A. a
B. an
Adjective and Adverb › View
Recycling is a … way to reduce waste.
A. bad
B. good
C. expensive
D. difficult
E. unnecessary
