Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Question 10. We _____ in silence when he suddenly _____ me to help him. 

• A. walked - was asking
• B. were walking - asked
• C. were walking - was asking
• D. walked - asked

Hòa hợp thì:

QKTD + when + QKĐ hoặc QKĐ + when + QKTD: diễn tả hành động đang xảy ra thì có hành động khác xen vào.