You have to strictly obey traffic signals when riding on the road

sentences.
17. You have to strictly obey traffic signals when riding on the road.
A. catch
B. follow
C. see
D. observe
18. Hoian used to be a peace and quiet city.
B. lively
C. crowded
D. noisy
A. peaceful
Choose the word or phrase that is OPPOPSITE in meaning to the underlined part in each of th
following sentences.
19. Mr. Huy used to ride his motorbike dangerously.
C. carelessly
C. noisy
Choose the word or phrase that best completes each sentence below.
21. "
A. How much
22. Linh and Long used to
A. ride
A. riskily
B. safely
20. Hanoi is clean and peaceful.
A. quite
B. restful
III. GRAMMAR
D. annoyingly
B. rides
D. gentle
is it from your house to the nearest bus stop?" - "About 50 metres".
C. How far
D. How often
B. How long
their bikes in his spare time.
C. riding
D. rode
giúp tôi ạ