It is reported that the scientists in our country are_______all possible way to control H7N9 flu.
| A．operating | B．solving | C．exploding | D．exploring |
30. —______ you pass the examination on the first attempt?
—Of course. You know, I have been preparing for it for a long time.
| A．Can | B．May | C．Shall | D．Could |
29. When hearing the good news, both the child and the mother ______ very happy.
| A．wasn’t | B．were | C．is | D．aren’t |
28. The teacher said “______ you work hard and have a good way, all of you will succeed.”
| A．If | B．Although | C．Though | D．Before |
27. ______ he did was quite right.
| A．That | B．Which | C．What | D．Who |
26. His younger sister is often made to cry by him, but this time she made him ______.
| A．crying | B．cry | C．to cry | D．cries |