Topics: Past Modals
They _______ have finished the project so quickly; it was very complicated.
A. can’t
B. can’t have
C. must
D. should
Select your answer:
Random Topics:
Grammar: Defining Relative ClausesInterjection & Prepositional PhrasesAdjectives & PrepositionsPast Simple (to be)Past Tense, Recount Text, and Future TensePast Simple vs Past ContinuousMorphology and GrammarSimple Present Continuous TenseModal PossibilitiesVerbal CommunicationOther quiz:
Past Simple Tense › ViewShe ___ sad yesterday.
A. was
B. were
Mixed General Quiz › View
A box for keeping valuable things is called a ___ .
a. valuable
b. mommy
c. plenty
d. safe
e. sale