[ Subordinating Conjunction ]
She smiled ___ she was feeling sad inside.
A. because
B. if
C. although
D. when

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Vocabulary & Grammar › ViewIn the early years of the 20th century, several rebellions______in the northern parts of the country.
A. turned out
B. rose up
C. broke out
D. came up
Grammar › View
Please __________ the instructions carefully before you start writing.
A. look on
B. look out
C. look into
D. look through
Grammar › ViewAfter a big _____ with my sister, we are not talking.
A. fight
B. argue
C. encourage
D. likely
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Lisa always __________to school.
A. walk
B. walks
C. run
D. drives