Professor Stevens had studied many caves, but he had ----- ...

[ Sentence Completion ]

Professor Stevens had studied many caves, but he had —– before seen the ones in Castleton.

A. never

B. whenever

C. yet

D. every

Select your answer:
A B C D E

Other quiz:

Future Tenses › View

Apply future tenses in the sentence: ‘She is going to finish her project by Friday.’

A. She is going to finish her project by Friday.

B. She finishes her project by Friday.

C. She will finish her project by Friday.

D. She finished her project by Friday.

Irregular Verb › View

Check the correct form/s of the irregular verb.

BROUGHT

A. Infinitive
B. Simple past

Modal Verb › View

People who use public parks __________ clean up after themselves.

A. must

B. may

C. ought

D. might

Grammar › View

_____ caterpillars transform into butterflies ?

A. Do

B. Does

C. Was

D. Were