It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.
| A．which，has | B．if, has |
| C．that, have | D．what, have |
Little Jim to my home after he broke my mobile phone by accident.
| A．dared not to come | B．dared not coming |
| C．dared not come | D．didn’t dare coming |
With piles of work at hand, Jane doubts she can pass the coming driving test.
| A．that | B．whether | C．where | D．when |
The stranger to walk into the building in the early morning was probably a salesman.
| A．seen | B．to see |
| C．to be seen | D．seeing |
— I feel it necessary that everythingby the time our manager arrives.
— Yes, to make sure the conference is held on schedule.
| A．is ready | B．will be ready |
| C．be ready | D．has been ready |
It’s burning hot today. Shall we rest in the shade these trees?
| A．over | B．beneath |
| C．outside | D．to |