Having walked in the desert for several days, they felt exhausted, but they had to find a pool before the water in the bottle ___________ .
| A．put out | B．let out |
| C．ran out | D．used up |
Generally，students’ inner motivation with high expectations from others________essential to their development.
| A．is | B．are |
| C．was | D．were |
The famous musician，as well as his students，________ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
| A．were invited | B．was invited |
| C．have been invited | D．has been invited |
It was with the help of the local guide________the mountain climber was rescued.
| A．who | B．that |
| C．when | D．how |
It was not until near the end of the letter ________ she mentioned her own plan.
| A．that | B．where |
| C．why | D．when |
It was only after he had read the papers ________Mr.Gross realized the task before him was extremely difficult to complete.
| A．when | B．that |
| C．which | D．what |