[ Grammar ]
Most advanced aircrafts now —- at supersonic speeds.
A. could have fly
B. are able to fly
C. had to fly
D. were supposed to fly

Random Topics:
AbilityModal, Causative Verb & Elliptical StructureShould, Should not haveConjunctions in Complex SentencesModals, Infinitives and GerundsGrammar - Compound SentencesUnderstanding Product Packaging and TensesPerfect TenseFuture Simple TensesAdverb PhrasesOther quiz:
Wh Questions › ViewWhy are you playing quizizz?
A. Because it is great
B. I am not using a phone
C. At the beach
D. No
Plural › View
What’s the plural of mouse?
A. Mice
B. Mouses
C. Mousies
Before I went to bed, I (lie, lay, laid) my clothes out for the morning.
A. laid
B. lay
C. lie
Grammar › View
‘I’m doing my homework a the moment.’
He said that he ……….. at the moment.
A. Done his homework
B. has been doing his homework
C. was doing his homework
