_______the silence of the pauses,we could hear each other’s breathing and could almost hear our own heartbeats.
| A．In | B．For |
| C．Under | D．Between |
I invited Mary and Jane to dinner, but of them came.
| A．none | B．either | C．both | D．neither |
．The plant is dead . I ________ it more water.
| A．will give | B．would have given | C．must give | D．should have given |
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
| A．what | B．which | C．that | D．though |
．He has ______ little education that he finds it impossible for him to equal ______ important a task.
| A．so ;such | B．such ; so | C．so ;so | D．such ; such |
China is playing an important role in the world. That’s Laura has come to study Chinese.
| A．because | B．why | C．how | D．that |