[ Grammar ]
By end of this year, Staff Sergeant Liu ____________ in the K9 training unit for thirty years.
A. serves
B. is serving
C. has served
D. will have served
Select your answer:
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Adverb › Viewgracefully is a proper adverb(true or false).
A. True
B. False
Grammar › View
I’ve seen a kangaroo and _____ seen a camel.
A. I’ve
B. She’s
C. He’s
D. They’ve