[ Modals ]
I wonder why they’re so late. They _____ here long ago.
A. could have been
B. should have been
C. must have been
D. might have been

Random Topics:
If/Unless - Conditional type 1Wish + Verb 2Present Continuous TenseParticipal PhrasesCommon ErrorPrepositions of Time & PlacePassive Voice with Modal VerbsGrammar and Sentence CorrectionThe Simple Present TenseInfinitivesOther quiz:
Subject Verb Agreement › ViewWhich of the following collective nouns takes a plural verb when the group acts as individuals with different points of view?
A. The football team
B. The orchestra
C. The jury
D. The faculty
Past Continuous › View
Was / Were + S + V_ing + O?
This is past continuous _________________ .
A. Wh – question
B. Yes / No question
C. Negative sentense
D. Affirmative sentense