____ is mentioned above, the number of students in senior high schools is increasing.
A. What B. That C. Which D. As
According to a UN report, some 844 animals and plants ______ in the last 500 years.
A. disappeared B. were disappeared
C. have disappeared D. had been disappeared
Seeing their son back home safe and sound, the couple smiled _____.
A. in peace B. in relief C. in return D. in turn
Jam Hsiao, a singer from Taiwan, understands that it is his singing, rather than his talking, ______ has got him to where he is now.
A. which B. what C. that D. as
Do you ________ much importance to what he just said ?
A. attach B. think C. pay D. devote
I’m sorry you’ve been waiting so long, but it will be some time ____ Brian gets back.
A. since B. till C. after D. before
