Choose the correct answer (5đ) :
1 People _____ that the earth is round before.
A. did not use to believe B. used to believing
C. would not use to believe D. were not used to believe
2 Astronauts_____ in their spaceship, but they frequently work outside now.
A had used to stay B. were staying
C. used to stay D. were used to stay
3. These city girls are used_____ in the field.
A. used to lie B. to working C. would like D. to work
. Newton_____ scientific books when he was a boy.
A. has read B. read C. had read D. used to read
5. ___________ is not very far from my house to school.
A. There B. This C. It D. That
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Sinh Học lớp 12
