[ Grammar ]
I am sorry I don’t know how to use the computer.If only I (know)______ how to use it
A. knew
B. known
Select your answer:
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Vocabulary › ViewI smelled the delicious ________ of chocolate chip cookies in the kitchen.
A. aroma
B. healthful
C. variety
D. graceful
Grammar › View
______ he run in the street?
A. Does
B. Did
C. Do