Besides being short, a good dialogue must be ______ in such a way that the speakers’ parts are balanced.
| A．updated | B．constructed | C．demonstrated | D．valued |
Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.
| A．to be tested | B．being tested | C．tested | D．to test |
Evidence has been found through years of study______ children’s early sleeping problem likely to continue when they grow up.
| A．why | B．how | C．whether | D．that |
I must find out why＿＿＿＿so many students made the same mistake.
| A．is it that | B．was it which | C．it is what | D．it was that |
It was announced that only when the fire was under control to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would the residents be permitted | D．the residents had been permitted |
Mum is coming. What presentfor your birthday?
| A．you expect she has got | B．you expect has she got |
| C．do you expect she has got | D．do you expect has she got |