[ Modal Verbs ]
The door was open when I arrived. Someone _ to lock it.
A. would forget
B. must forget
C. should have forgotten
D. might have forgotten
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Grammar › ViewEvery night the watchman turns on all the lights and …around the building every half an hour.
A. walks
B. is walking
C. walked
D. to be walking
Gerunds and Infinitives › View
The sheets on this bed are dirty. They need __________. (change)
A. to change
B. change
C. changing
Grammar › ViewThe truck is going up the hill.
A. past
B. present
C. future
Tenses, Determiners & Subject Verb Agreement › View
It __________ almost every day in Manchester.
A. rain
B. rains