[ Grammar Rules ]
Choose
This modal verb is used when people are sure that something is true.
A. might/may/could
B. can’t
C. must

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Grammar › Viewthe spread between the lowest and the highest notes that a person can speak comfortably
A. rover
B. ranger
C. range
D. roper
Grammar › View
Phuong started to study English when he was in secondary school, and he still studies English.
A. Phuong was studying English when he was in secondary school.
B. Phuong studied English in secondary school.
C. Phuong has never studied English.
D. Phuong has studied English since he was in secondary school.
Grammar › View____ going to the dance with me tonight?
A. Who
B. Who’s
C. Whose
Grammar › View
A: Are you OK?
B: Yeah, I’m fine! I’m not crying. I’ve ___ onions!
A. been chopping
B. chopped