[ Grammar ]
The pilots have …… them many times
A. Did
B. Done

Random Topics:
Coordinating ConjunctionVerb Forms and PrepositionsA/AnPhrases & ClausesUsed to & would & Past SimpleTenses and Passive VoiceFuture Continuous, Future Perfect and Future Perfect ContinuousPast Simple and Past ProgressiveHas and HaveModal Verbs & Time PrepositionsOther quiz:
Simple Present Tense › ViewChoose the correct sentence by using simple present based on the picture
A. She cooks every morning
B. She cookes every morning
C. She is cook every morning
D. She cooking every morning
Grammar › View
My brother ___ to school.
A. go
B. goes
Grammar › ViewI have studied ____________ six hours. Now I am going to have lunch.
A. during
B. for
C. since
D. within
Many vs. Much › View
I can’t wait for Max. I haven’t got …………………….. time.
A. Enough
B. Too much
C. Too many
