Topics: Gerund and Infinitives
___________ by train is usually cheaper than by plane
A. travel
B. to travel
C. travelling
Select your answer:

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Past Tenses › ViewI suddenly remembered that I ___ my keys.
A. forgot
B. had forgotten
C. was forgetting
D. had been forgetting
Grammar › View
It …. outside when it is in September to April.
A. rain
B. rains
C. raining
D. rained
