A warm thought came to me ________ I might help wash my mom’s feet on Thanksgiving Day.
| A．if | B．when | C．which | D．that |
Look out____the traffic when crossing the road.
| A．at | B．of | C．for | D．with |
The bridge is 1000 meters ____ length.
| A．with | B．in | C．at | D．on |
The two countries were ______ between 1989 and 1992.
| A．peace | B．at no war | C．at peace | D．at peaceful |
The oil must be used up, ____ the light went out.
| A．for | B．because | C．since | D．as |
I like traveling by sea____ it is not rough.
| A．unless | B．in case | C．as long as | D．although |