You _____ this device. It _____ dangerous.
A. couldn’t have touched / may be
B. must not touch / may be
C. shouldn’t have touched / ought to be
D. needn’t touch / must have been
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Vocabulary › ViewDesign a research project to investigate the historical significance of a specific dynasty. What is the first step?
A. Collecting random data
B. Defining the research question and objectives
C. Ignoring historical records
D. Writing the conclusion first
Grammar › View
Traffic lights along the road was ___ for a few hours this morning due to the heavy downpour.
A. disrupted
B. magnified
C. interrupted
D. discontinued
Grammar › ViewWhich sentence correctly uses the verb “to be” in the present simple tense?
A. The scissors is on the desk.
B. My glasses are broken.
C. The news are good today.
D. The pants is too tight.
Vocabulary › View
The boys grandfather gave him his favorite tie to keep and wear on his first day of work.
A. treasure
B. opposite
C. clever