[ Tenses ]
They ………………….. have been more careful with the project; now there are errors that could have been avoided.
A. could
B. would
C. should

Random Topics:
Frequency Adverbsused to, be used to, get used toThird Grade ExamAlthough / DespitePresent Simple & ContinuesHave toComparative and Superlative AdjectivesPhrasal Verb With TakeNouns, Articles, DeterminersAdverbial Concession ClausesOther quiz:
Grammar › ViewSentence/Fragment: The paper on the desk fell to the floor.
A. Sentence
B. Fragment
Grammar › View
A: Are your parents at home right now?
B: No, they’re ………… at the gym.
A. both
B. all
C. every
D. none
Prepositions › ViewSelect the correct alternative:
Get angry
A. Blow up
B. Blow down
C. Blow over
D. Blow out
E. Break in
Grammar › View
Was it raining ……..you arrived?
A. when
B. while
