[ Modal Verbs ]
I … forget to call my sister back. She left me a message this morning.
A. must
B. mustn’t
C. should
D. shouldn’t

Random Topics:
How much and how manySports VocabularyTenses UsageGrammar of Conjunctions and PrepotitionsMust or Mus notVerb PhrasesPresent Simple and ContinuousInfinitives or GerundsConditionals and Modals of ProbabilityTenses and ArticleOther quiz:
Transition Words › ViewOh, I hope I have enough money to buy lunch. ___________ I’ll have to eat this sardine and onion sandwich my mom made.
A. As a result,
B. Otherwise,
C. Consequently,
D. On the other hand,
Grammar › View
We use ………….… for plans and intentions.
A. present simple
B. will
C. be going to
