[ 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
Random Topics:
Past Simple, Past Continuous, Past PerfectArticles with SubstancesPassive Voice - Past SimplePossesive Pronouns and Modals of AbilityWh-QuestionToeic VerbPast simple - Irregular VerbsWH- Question WordsTime ClauseJobsOther quiz:
Vocabulary & Grammar › ViewThe company hired technicians for the ___ of the new security system.
A. allocation
B. installation
C. detriment
D. hypothesis
Present Simple and Present Continuous › View
__________ you like playing chess?
A. Do
B. Does
C. Are
D. Am
Grammar › ViewWhich word in this sentence is a noun?
The brown mouse is running fast.
A. mouse
B. brown
C. running
D. fast
Grammar › View
Identify the complement type. The teacher assigned the students extra homework.
A. Direct Object
B. Indirect Object
C. Predicate Adjective