I wonder ______ you were doing last night.
| A．it was what that | B．what was it that |
| C．that what it was | D．what it was that |
Elephants would ______ if men were allowed to shoot as many as they wished.
| A．die down | B．die out | C．die away | D．die off |
. I had to ______ because someone else wanted to use the phone.
| A．give up | B．put up | C．hang up | D．ring up |
“Have great changes taken place in your village?” “Yes, A new school was ______ in the village last year.”
| A．held up | B．set up | C．sent up | D．brought up |
If the new arrangement doesn’t _____, we’ll go back to the old one.
| A．work over | B．work out | C．work up | D．work in |
All the girls swam in the lake except two, who _____ halfway.
| A．gave off | B．gave up | C．gave away | D．gave out |