[ Modal Verbs of Certainty and Possibility ]
She must ______ all day because I haven’t seen her.
A. have worked
B. be working
Select your answer:
Random Topics:
Imperative SentenceYes-No Question If vs. WhetherIf ConditionalsSimple Past Irregular & NegativeConnectivesPre-intermediateGrammar - could / could notPrepositions
Other quiz:
Grammar › ViewMy boss asked me ___ the appointment.
A. that I not forget
B. to not forget
C. not to forget
Grammar › View
Which pronouns can replace the underlines proper nouns?
The soccer balls belong to Sam and Sara.
A. Their
B. Them
C. Theirs
D. It
How to use : Read the question carefully, then select one of the answers button.