[ Modal Verbs ]
They ____ leave early to catch the train.
A. have to
B. ought to
C. must
Select your answer:
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Gerunds and Infinitives › ViewShould we use a gerund or an infinitive in this sentence: Evelyn decided ___ (go) to the party.
A. going
B. goes
C. to go
D. to going
Vocabulary › View
He had to be sure to try and sleep in short intervals so he could keep the fire going.
A. intervals
B. altitude
C. Cessna
D. imbed