Exactly ____they did when at last they reached the sea remains a complete mystery.
| A．that | B．how | C．which | D．what |
You can’t complain of being lonely you don’t make any effort to communicate
with others.
| A．when | B．until | C．unless | D．once |
How long do you think _______ the computer company turns out a new product?
| A．it will be that | B．will it be until | C．will it be since | D．it will be before |
— Why do you look so angry?
— He insists on my presence here, but I can see it makes no difference ______.
| A．I am here | B．I was here | C．me to be here | D．my being here |
So quickly ____________ is a possibility today may be a reality tomorrow.
| A．are science and technology advancing that |
| B．science and technology advancing are that |
| C．are science and technology advancing that what |
| D．science and technology advancing what that |
Some women a good salary in a job instead of staying home, but they decided not to work for the sake of the family.
| A．could have made | B．should have made | C．would make | D．must make |