[ TOEIC Grammar and Vocabulary Review ]
The researchers ………………….. hard to develop a perfect new model over the last two years.
A. work
B. worked
C. are working
D. have been working
Random Topics:
Gerunds in SentencesComparative AdjectivesPast Simple vs Present SimpleVerb AbilityGrammar - FragmentsWill or Going toWish, Unless, If sentenceTenses & PrepositionPast ContinuousTo Infinitive or Bare InfinitiveOther quiz:
Present Continuous Tense › ViewSonia is shy. She _____ with us.
A. is not dancing
B. are not dancing
C. am not dancing
1st and 2nd Conditionals › View
If he _______ a really famous singer, he ___________ all his friends.
A. meets – will tell
B. meeted – would tell
C. met – would tell
D. met – will tell
Grammar › ViewI haven’t been to the beach the _______summer.
A. every
B. all
C. whole
D. each
Conditional Sentences › View
If I go on a diet
A. I’ll buy you some sweets.
B. I’ll lose weight.
C. we’ll go for a picnic.