—Thanks a lot, but can you do me one more favor, please?
—___________, sir. What can I do for you?
| A．Just a minute | B．It’s very nice of you |
| C．At your service | D．Not a bit |
All the neighbor admire this family _________the parents are treating their child like a friend.
| A．why | B．where | C．which | D．that |
___ well prepared you are , you still need a lot of luck in mountain climbing.
| A．however | B．whatever | C．no matter | D．although |
We’ll have a picnic in the park this Sunday _____ it rains or it’s very cold.
| A．since | B．if | C．unless | D．until |
—Did you return Fred’s call?
—I didn’t need to ____ I’ll see him tomorrow.
| A．though | B．unless |
| C．when | D．because |
__ unemployment and crime are high, it can be assumed that the latter is due to the former.
| A．Before | B．Where | C．Unless | D．Until |