[ 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:
Prepositional Phrases › ViewIdentify the function of the underlined word(s) in the sentence:
Everyone stayed outside in spite of the pouring rain.
A. subject
B. predicate
C. preposition
D. object of the preposition
Simple Present Tense › View
Rice ___ grow in cold climates.
a. doesn’t
b. don’t
I 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.