So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ______.
| A. mustn’t be |
B. may not be |
C. can’t be |
D. won’t be |
Sarah hopes to become a friend of ________shares her interests.
| A．anyone | B．whomever | C．whoever | D．no matter who |
It was President Xi Jinping _____ visited the navy troops and urged to strengthen naval force on April 9, 2013.
| A．when | B．which | C．that | D．he |
_______ work did we have to do that we were so exhausted.
| A．Too much | B．So much | C．Too little | D．So little |
Little ______ about his own safety, though he was in great danger himself.
| A．cared he | B．he cared | C．did he care | D．was he cared |
It’s none of your business _______other people think about you. Believe yourself.
| A．how | B．what | C．which | D．when |