I don’t know ____________ he left the party so early. ...

[ Conjunctions ]

I don’t know ____________ he left the party so early.

A. when

B. why

C. because

D. and

Select your answer:
A B C D E

Random Topics:

Clause Suffixes and Tenses Future or Past Wish - beginner Past Simple or Past Continuous Verb & Grammar Present Simple Positive and Negative Dependent Preposition Grammar - Capitalization and Possessive Nouns Quantifies and Modals of Deduction

Other quiz:

Grammar › View

Identify the participial phrase.

The scouts roasting marshmallows around the fire told ghost stories to pass the time.

A. roasting marshmallows

B. roasting marshmallows around the fire

C. told ghost stories to pass the time

Grammar › View

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

A. account

B. design

C. repeat

D. special

Grammar › View

That lady over there is Ahmad’s ___.

A. wife

B. wifes

C. wives

D. wive

Vocabulary › View

a long, narrow ditch in the ground

A. scurry

B. furrow

C. chaos

D. sternly