She doesn't know _________________ made her daughter so sad this morning.
| A．what was it | B．why it was that |
| C．how that was | D．what it was that |
—What do you think of the girl?
—Not only ________ well but also ________ modest.
| A．she works；she is | B．does she work；she is |
| C．does she work；is she | D．she works；is she |
Tom was badly injured in the accident last week. A new manager____ to take his place since then.
| A．has been arranging | B．has arranged |
| C．was arranged | D．has been arranged |
These new ideas which need ________ sound fine.
| A．trying on | B．trying out | C．to try on | D．to try out |
—Would you please tell us your private life and your date of the marriage？
—_______!
| A．No comment | B．No doubt | C．No way | D．No matter |
We must take two aspects into consideration, both of __________ associated with the safety of the students .
| A．which | B．whom | C．that | D．them |