[ Tenses ]
Complete the sentence to emphasize the duration of a future action: By the time the concert ends, we _____ in this line for five hours.
A. will wait
B. will be waiting
C. will have waited
D. will have been waiting

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Grammar › ViewThis mammal has black, brown or white fur and huge paws and claws
A. bear
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C. elephant
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______ you able to train the seal?
A. Were
B. Was
C. Is
D. Be
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Robert : Hi Alice, what did you do last weekend?
Alice : I did a lot of things. On Saturday, I (go) _________ shopping.
A. gone
B. goes
C. went
D. going
Conditional Sentences with Modal Verbs › View
If you enroll in our intensive Spanish class, you _________ speak this language fluently after two months.
A. can
B. should
C. must
D. need
