[ Vocabulary ]
If something is ________, it is difficult and takes effort to do.
A. interest
B. agree
C. discover
D. challenging
Select your answer:
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Grammar › ViewIdentify the past tense verb. He hiked to the top of the mountain yesterday.
A. he
B. mountain
C. hiked
D. yesterday
First Conditional › View
If the film finishes,
A. you won’t learn
B. i eating a salad
C. i’ll turn off the tv
D. I ate salad