[ Modal Verbs ]
There is an error in the invoice.
A. Alex can apologise.
B. Alex should apologise.

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Modal Verbs & Time PrepositionsModals of AdviceSo Such Enough TooPresent Simple and Past ContinuousConditional Sentences and AdverbsCausative VerbNouns & PronounsModals Posibility and ProbabilityAsking and Giving SuggestionGrammar - NounsOther quiz:
Idioms › ViewIf something is “heavy-duty”, it ___.
a. weighs a lot
b. is tough and powerful
c. must be done
Grammar › View
I had a drink and a sandwich. ___ sandwich was awful!
A. A
B. –
C. The
D. An
Grammar › ViewWe plan to investigate the possibility ……………….. spending a week at the seashore.
A. in
B. of
C. on
D. for
Modal Verbs of Permission › View
The modal verb “COULD” expresses __________.
Which of the following best completes the thought of the sentence?
A. past ability
B. tentative or polite permission
C. not allowed
D. a wish