------Do you know anything about China’s space program?
------Yes, ________ I know, China will send woman astronauts into space in the near future.
| A．As long as | B．So far as |
| C．As much as | D．As soon as |
_____ I suggest, he always disagrees.
| A．however | B．whatever |
| C．Whichever | D．Whoever |
“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
| A．after | B．unless |
| C．until | D．when |
You will succeed in the end ____ you give up halfway.
| A．even if | B．as though |
| C．as long as | D．unless |
Not until I began to work ________ how much time I had wasted.
| A．didn’t I realize | B．did I realize | C．I didn’t realize | D．I realize |
Not a single song ________ at yesterday’s party.
| A．she sang | B．sang she | C．did she sing | D．she did sing |