Catherine bought a postcard of the place she was visiting, addressed _______ to _______ and then posted it at the nearby post office.
A. it; her B. it; herself C. herself; her D. herself; herself
. I love hobbies ______ you can see hard work and perseverance turn into positive results.
A. which B. that C. when D. where
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
I have never seen the word ______ that way before.
A. to use B. used C. using D. to be used
I appreciated ____ the opportunity to study abroad two years ago.
A. having been given B. having given
C. to have been given D. to be given
The International Day against Drugs, aimed at warning people to keep away from drugs， _________ on June 26th every year．
A.taking place B.takes place C.took place D.taken place
