___ there are living creatures in the outer space as those on Earth hasn’t been proved until now.
| A．How | B．When | C．Where | D．Whether |
It is difficult for us to learn a lesson in life _____ we’ve actually had that lesson .
| A．until | B．after | C．since | D．when |
The rent is high , ____ the house is quite satisfactory .
| A．otherwise but | B．but otherwise | C．and otherwise | D．otherwise and |
At the age of fourteen , Betty went to a _____ girls’ school along with her sister .
| A．Near | B．nearby | C．close | D．neighbor |
Most people prefer _____ mony _____ it .
| A．spending ; to earning | B．to be spending ; to be earning |
| C．to spend ; to earn | D．having spent ; to having earned |
Cook was a strict but good captain , _____ who , usually , took care of the sailors on his trip .
| A．the one | B．one | C．that | D．this |