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5. Look at Joan! She _____ her fingernails. She must be nervous. (Dấu hiệu:……...........…)
A. bites B. biting C. is biting D. are biting
6. Let’s go out. It _____ now. (Dấu hiệu:……...........…)
A. is not rain B. does not raining C. isn’t not raining D. isn’t raining
7. An is very untidy. He _____ always _____ his things all over the place.
(Dấu hiệu:………….……)
A. are...leaving B. is…leaving C. is…leave D. ...leave
A. bites B. biting C. is biting D. are biting
6. Let’s go out. It _____ now. (Dấu hiệu:……...........…)
A. is not rain B. does not raining C. isn’t not raining D. isn’t raining
7. An is very untidy. He _____ always _____ his things all over the place.
(Dấu hiệu:………….……)
A. are...leaving B. is…leaving C. is…leave D. ...leave