[ Modal Verbs ]
They _____ study harder to pass the test.
A. could
B. should
C. must
D. need to

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Grammar › ViewChoose the correct number 999 in letters
A. nine thousand nine hundred
B. nine ninety nine
C. nine hundred ninety nine
Phrasal Verb › View
The students tried to …….an excuse for not having done his homework, but the teacher disn’t believe him
A. Break in
B. Set off
C. Keep away
D. Make up