[ Should, Should not have ]
I __________ ____________ the danger at the beginning. (realize)
A. realizes
B. shouldn’t have realized
C. should have realized
D. should has realized

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Vocabulary & Grammar › ViewI wish I …….. the piano as well as you can.
A. would play
B. could play
C. had played
D. will play
Grammar › View
We _________ there was a big sale at the shopping mall last week. Nobody ____________ us about it before.
A. didn’t knew…told
B. didn’t know…had told
C. didn’t know…had been telling
Tenses › ViewShe ______for me when I arrive tomorrow.
A. have been waited
B. will wait
C. will be waiting
D. will have been waiting
Superlative Adjectives › View
Mount Kinabalu is _______ mountain in Malaysia.
A. the high
B. higher than
C. the most high
D. the highest