While scientists know a lot about ______________hardy lizards, the one ...

[ Grammar ]

While scientists know a lot about ______________hardy lizards, the one mystery that has never been completely solved is how they keep hydrated.

A. these

B. this

Select your answer:

Random Topics:
Complex Prepositions Proverbs Present Perfect or Past Simple Modifiers Adjective and Adverb Let & Be allowed to Future Tense Verb Second Conditional Sentences

Other quiz:

Pronoun › View

Miss Subiyanto said if I worked hard I could still get an A or a B, but ______ didn’t happen.

A. The score
B. It
C. She

Relative Pronouns › View

Michael Jackson is the singer…….sang the famous song Thriller

A. which

B. who

C. where