[ Grammar ]
Ploysodsai _____ for 2 hours by the time her parents come back.
A. will have swam
B. was swimming
C. has been swimming

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Grammar › ViewWhich of the following sentences uses commas correctly?
A. Yes, the door is locked.
B. Yes the, door is locked.
Accept x Except › View
The online auction and shopping website no longer … paypal.
- accepts
- excepts
Pronouns, Verb, Conjunction › View
What is the correct conjunction for this sentence: “I will call you ___ I arrive.”
A. if
B. because
C. when
D. or
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The following expressions are formal, except …
A. I was wondering if I could borrow it
B. would you mind sending it again?
C. see you soon
D. I look forward to seeing you
