……………….. in big cities ……. controlled by red and green lights.
A. Traffics, are
B. Traffic, is

Random Topics:
Grammar - Present Perfect with already, just, yetSome & AnyVerb PatternsModal Auxiliary VerbsVerb-ing and InfinitivePresent Simple QuestionsPassive VoicePast Simple Tenselike/do not likeVerb ConjugationOther quiz:
Tenses › ViewIsn’t it strange that you ____ for Mark’s surprise party all week, but you ____ him a birthday present yet?
A. are preparing / didn’t buy
B. prepared / don’t buy
C. have prepared / aren’t buying
D. have been preparing / haven’t bought
Grammar › View
Choose the correct verb from the choices.
(Have, Has) the jeans been patched yet?
A. Have
B. Has
Grammar › ViewThe dog is very nice and cute. My sister likes ________ so much.
A. it
B. them
C. they
D. us
Grammar › View
Identify the sentence which has the same meaning: “Prevention is better than cure.” – Proverb
A. You can prevent going to the doctor for any disease.
B. It is better to avert the damage in stead of taking steps to control it later.
C. Diseases can be avoided. Hence you don’t need medicines.
