The number of the whales ____________smaller and smaller because of human activities now.（ ）
| A． |
were |
B． |
was |
C． |
is |
D． |
are |
We should take care of the earth ____ we can make a better world to live in．（ ）
A．so thatB．untilC．even ifD．while
Young people are encouraged to work hard ____their own dreams．（ ）
A．achieveB．achievesC．to achieveD．achieved
Nobody taught the old lady how to use Wechat． She learned it all by ____．（ ）
A．sheB．herC．herselfD．hers
Fishing is one of ____ activities among the middle﹣aged people．（ ）
A．popularB．more popular
C．most popularD．the most popular
I think tea will taste better ____ some milk in it．（ ）
A．forB．withC．fromD．at