Last Saturday Mrs. Smith didn't clean the rooms because______.
A. [A] Mary came to see her
B. [B] she had to go to work
C. [C] she didn't feel well
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Mrs. Smith didn't wear her glasses because ______.
A. [A] She stayed at home
B. She didn't want to see the dirty room
C. She finished cleaning the room
Regular meals and exercise ______our health.
A. [A] important
B. [B] are important for
C. [C] are important to
The man assured himself that the bridge was safe before ______it.
A. [A] cross
B. [B] acrossing
C. [C] crossing
The dentist said there wasn't ______ wrong with her teeth.
A. [A] something
B. [B] nothing
C. [C] anything