Care of the soul is a gradual process ______ even the small details of life should be considered.
| A．what | B．in what | C．which | D．in which |
In America and Europe, it is __________ to tip anything from 10% to 20%.
| A．customary | B．custom | C．customer | D．customs |
The couple said they __________ for Chicago the next month.
| A．were leaving | B．were to leave |
| C．were about to leave | D．were about leaving |
I __________ it if you could show me the way downtown.
| A．was to appreciate | B．would appreciate |
| C．was going to appreciate | D．was about to appreciate |
Even if the US __________ do so, it __________ change the size of the US trade deficit.
| A．were to; will not | B．is to; would not |
| C．were to; was not going to | D．were to; would not |
An agreement __________ be reached when the other side raised new problems.
| A．was to | B．was going to |
| C．was about to | D．would |