________about the student，the teacher called his parents to find out why he was so often absent from class.
| A．Concerning | B．Concern |
| C．Concerned | D．To concern |
. --- _______ made her struggle to become an artist so hard?
--- ______ she was a woman.
| A．What; What | B．That; That | C．What; That | D．That; What |
Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
Correct the errors in his composition, _______.
| A．if possible | B．if any | C．if ever | D．if necessary |
. ---What a hit! Do you agree?
---_________.
| A．Yes, it is really disappointing | B．No, I like it |
| C．No, it's worth seeing it | D．Yes, it's really exciting |
We got to the top of a mountain _________ we can see the whole city.
| A．at where | B．from there | C．from where | D．there |