Topics: Tenses
Much progress ________in telecommunications during World War I, but the basic technique________in the previous decades.
A. was achieved – had been developed
B. has been achieved – were developed
C. had been achieved – has been developed
D. would have been achieved – were developing
Select your answer:
Random Topics:
Grammar : can, could and be able toNoun Phrases and AdverbialsCountable & Uncountable NounsCountable - UncountableVerb PatternsWishesGive, do and makeActive & PassiveModals in the PastEnglish for TourismOther quiz:
Present Tense › ViewI just want to stay at home. I don’t want to go out because ………..
A. it is raining
B. it is beautiful inside
C. the sun is shining nicely
D. the flowers are blossoming
Grammar › View
A: It’s 24 degrees outside and it’s only 10 a.m.
A. Wow! it will be really hot this afternoon
B. Wow! it ‘s going to be really hot this afternoon