.____it will do us harm or good remains to be seen.
| A．If | B．Whether | C．That | D．Where |
They have given up the hope to save their friend from drowning.
| A．ended | B．abandoned | C．built | D．strengthen |
We have to put up with her behaviour.
| A．tolerate | B．accept | C．swallow | D．take |
The policeman asked him to identify the thief.
| A．name | B．distinguish | C．capture | D．separate |
We will give every teacher space to develop.
| A．chance | B．employment | C．room | D．opportunity |
I tried more than once to persuade the taxi driver to slow down, but he just __________ listen.
| A．shouldn’t | B．mustn’t | C．couldn’t | D．wouldn’t |