[ Vocabulary ]
The builders used metal rods to _______ the walls of the building.
A. construct
B. collapse
C. reinforce

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Present Progressive Tense › ViewHe _______________ at the moment.
A. sleeping
B. am sleeping
C. is sleeping
D. sleeps
Grammar and Vocabulary › View
Francisca ________ for three hours yesterday.
A. study
B. studied
C. studies