If we go on using energy so wastefully, __________ are that our oil wells will be dried up before new energy sources can be found to replace oil.
| A．chances | B．opportunities | C．questions | D．problems |
On seeing her new classmate，she ________ and said with a smile，“Glad to meet you.”
| A．came up | B．made up | C．took up | D．put up |
In my ________，there is no need to worry about exams.
| A．idea | B．view | C．thought | D．information |
Someone called me up in the middle of the night, but they hung up ________I could answer the phone.
| A．since | B．until | C．before | D．as |
The child asked his mother go out to play tennis.
| A．that he could | B．if he could | C．whether could he | D．that if he could |
Good use that the villagers have been ________ the water resources has brought them a large income.
| A．making of | B．putting into | C．taking on | D．providing with |