I don't see the underline, but I'm pretty sure that the verb is "has known". That's the present perfect tense.
Well one example is cellphones we can live without them but we really feel the need to have them
Answer:
wandering
Explanation:
stationary means stopped in motion. the words motionless, fixed, and parked are all synonyms of the word stationed. Wandering is an antonym.
Answer:
b
Explanation
2h đầu đi được 100km
3h sau đi được 90km
=> AB = 190km đi trong 5h
vận tốc trung bình = 190/5=38km/h
Answer:
yes
Explanation:
yes i know it correct good job