Today's young people can't live without smart phones. They keep their hands on the phoneswhenever they go, even while they meals .
A. had
B. Will have
C. are having
D. were having
-- a good time we had at the party last night! Yes. It was exciting that l would never forget it.
A. What; such an
B. How; such an
C. How; so
D. What; so
Lots of people exercise every morning bad weather stops them.
A. if
B. unless
C. until
D. since
Pandas are facing danger! The situation won't change humans stop killing.
A. unless
B. Though
C. If
D. after