To improve your reading ability, you should ____ half an hour every day for learning new vocabulary.
| A．leave out | B．lead to | C．set aside | D．focus on |
If you feel tired and sick of fat food, that is _______ you have to go to the hospital for a medical examination.
| A．why | B．when | C．whether | D．what |
After Yang Liwei succeeded in circling the earth, _______ our astronauts desire to do is walk in space.
| A．where | B．what | C．that | D．how |
A modern city has been set up in _______ was a wasteland ten years ago.
| A．what | B．which | C．that | D．where |
A story goes _______ Elizabeth Ⅰ of England liked nothing more than being surrounded by clever and qualified noblemen at court.
| A．when | B．where | C．what | D．that |
The road is covered with snow.I Can’t understand _______ they insist on going by motorbike.
| A．why | B．whether | C．when | D．how |