[ Grammar for TOEFL ]
The great digital advances of the electronic age, such as integrated circuitry and a microcomputer, has been planted in tiny chips.
A. great digital
B. circuitry
C. has
D. planted

Random Topics:
Adjectives-Comparison, SuperlativePresent Perfect Negative and InterrogativeAdverb of TimeContrastive ConjunctionGrammar MistakesGrammar & ReadingSimple Present and Present ContinuosHave to / Do not have toModal Auxiliaries and Similar ExpressionsModals for Necessity and SuggestionsOther quiz:
Past Simple › ViewShe didn’t answer the phone because she … at home.
a) didn’t
b) weren’t
c) wasn’t
Present Continuous Tense › View
Read the conversation carefully.
Imam :What are you doing?
Dody: I’m watching TV. It’s Spongebob.
I like this film very much.
Imam : You should . . . now. You are going
to have a test tomorrow, right?
A. be studying
B. studying
C. be study
D. study
Grammar › View……………………that right?
A. Are
B. Is
C. Am
D. Be
Grammar › View
Is the group of words a sentence or a fragment?
My parents bought me a new phone.
A. sentence
B. fragment