I had hardly got to the officemy wife phoned me to go back home at once.
| A． | when | B． | than | C． | until | D． | after |
To make members of a team perform better, the trainer first of all has to know their ___and weaknesses.
| A．benefits | B．strengths | C．techniques | D．values |
28. ____well prepared you are ,you still need a luck in mountain climbing .
Helping others is a habit，______you can learn even at an early age.
A it B. that C. what D. one
You can make a complaint to the local government ___ you are happy with the way they deal with the matter.
| A．unless | B．if | C．once | D．as |
The patient looks much better .
-------_____is it that has made him ____he is today ?
| A．what ; that | B．That ; that | C．What;which | D．What;what |