As a result these endangered animals may even .
A. die away B. die down C. die out D. die off
I’m protecting myself mosquitoes.
A. from B. in C. on D. at
What must be done if wildlife protection is ?
A. success B. succeed C. successful D. to succeed
----____ I take the book out?
---- I’m afraid not.
A. Will B. Must C. May D. Need
Food, ______ and shelter are the three most necessary things for people to depend on.
A. clothes B. clothing C, cloth D. dress
I into robots and used to make mobile phones as well as help with medical operations.
A. have put B. have been put C. had put D. had been put
