Read the following announcement and mark the letter A, B, C or D on your answer sheet to indicate ime correct option that best fits each numbered blank from 13 to 16.
LEARNING ENGLISH ONLINE
1. Make sure you have a stable internet connection (13) _________ starting your online class.
2. Choose (14) _________ suitable time and environment for studying.
3. (15) ________ to your teacher's instructions carefully and take notes.
4. If you have (16) ___________ with the lesson, don't hesitate to ask questions.
Question 13. A. after B. before C. during D. when
Question 14. A. the B. an C. x (no article) D. a
Question 15. A. Talk B. Listen C. Speak D. Read
Question 16. A. difficulties B. difficult C. difficultly D. difficulty