He must be tired _______ he has been working since ...

[ Conjunctions ]

He must be tired _______ he has been working since morning

A. so

B. therefore

C. moreover

D. because

Select your answer:

Random Topics:
Prepositions Independent vs. Subordinate Clause Regular Verb Conditional Sentence Be used to vs used to Gerund or Infinitives Frequency Verbal Communication Conjunctions and Prepositions

Other quiz:

Modal Verb › View

She hasn’t eaten anything since yesterday. She_____ be really hungry.

A. might

B. will

C. must

D. can

Vocabulary › View

We will _____________ planning the vacation after we finish cleaning.

A. take up

B. arrive at

C. get around to

D. get up to

How to use : Read the question carefully, then select one of the answers button.