Cho $ \Delta ABC $ có $ \widehat{B}=\widehat{C} $ . Gọi $ Ax $ là tia phân giác của góc ngoài tại đỉnh $ A $ .
Trong các khẳng định sau, khẳng định nào đúng.
A.Tia $ Ax $ cắt $ BC $ .
B.Tia $ Ax $ vuông góc với $ AB $ .
C.Tia $ Ax $ vuông góc với $ AC $ .
D.Tia $ Ax\text{//}BC $ .

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​You won't find Jerry at home right now. He .......... in the library.
A.study
B.is studying
C.has studied
D.studies

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​People ……….English in Jamaica.
A.is speaking
B.speak
C.speaks
D.are speaking

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Archie ……….his computer at the moment.
A.didn’t use
B.don’t use
C.isn’t using
D.hasn’t used

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​We ………. to go to the concert.
A.doesn’t want
B.aren’t wanting
C.haven’t wanted
D.don’t want

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​A lot of my classmates live ………. a nuclear family.
A.on
B.from
C.at
D.in

Cho tam giác $ ABC $ vuông tại $ A $ có $ \widehat{B}={{50}^{0}} $ , hạ $ AH\bot \,BC $ tại $ H $ . Giá trị của góc $ \widehat{HAC} $ bằng
A. $ {{70}^{0}} $ .
B. $ {{50}^{0}} $ .
C. $ {{40}^{0}} $ .
D. $ {{60}^{0}} $ .

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Look! Junko .......... into the water.
A.jumps
B.are jumping
C.is jumping
D.jump

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Salman is rich - he .......... a Mercedes.
A.is driving
B.drives
C.driving
D.drive

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​My brother ………… TV right now because he has to do his homework.
A.doesn’t watching
B.doesn’t watch
C.isn’t watching
D.don’t watch