[ Grammar ]
The theory was too __________ for most students.
A. abstruse
B. psychological
C. conventional

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Modal Verbs › ViewIt wasn’t her who you saw in her office last Friday because she she’s been out of town for two weeks.
A. You needn’t have seen her in her office last Friday because she’s been out of town for two weeks.
B. You shouldn’t have seen her in her office last Friday; she’s been out of town for two weeks.
C. You can’t have seen her in her office last Friday; she’s been out of town for two weeks.
D. You mightn’t have seen her in her office last Friday; she’s been out of town for two weeks.
Grammar › View
Sorry, I can´t talk now. I ……………… (brush) my teeth.
A. brush
B. brushes
C. am brushing
D. brushed