To save the drowning child, the boy plunged into the icy water without hesitation, ____ his own safety.
| A．despite of | B．regardless of | C．unaware of | D．because of |
33．----How long have you been in this office?
----Just a few minutes. My cousins_______here together with me.
| A．have walked | B．had walked | C．walked | D．have been walking |
32．----Poor Steve! I could hardly recognize him just now!
----_________, He has changed so much.
| A．Never mind | B．No problem | C．Not at all | D．Me neither |
31．The play_____ next month aims mainly to reflect the local culture.
| A．produced | B．being produced |
| C．to be produced | D．having been produced |
30．---- Do you think it's a good idea to make friends with your students?
---- _____ , I do. I think it's a great idea.
| A．Really | B．Obviously | C．Actually | D．Generally |
29．---- I wonder how much you charge for your services.
---- The first two are free ____ the third costs $30.
| A．while | B．until | C．when | D．Before |