[ TOEFL Grammar ]
You usually do this before you play a sport. You straighten your arms and legs. What are you doing?
A. Crawling
B. Spreading
C. Streching

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Passive Voice › ViewChoose the correct form for Passive Voice
We have produced skis here since 1964.
A. Skis have been produced here since 1964.
B. Skis has been produced here since 1964.
C. Skis had been produced here since 1964.
D. Skis have been produced there since 1964.
Present Tenses › View
. Fill in the blank: The past continuous tense is used to describe an action that was in progress ____ another action occurred.
A. before
B. until
C. after
D. when