“Why couldn’t they meet us at five o’clock?” “Because they were delayed by ________.”
| A．heavy traffic | B．heavy traffics |
| C．crowded traffic | D．crowded traffics |
This pair of shoes looks nice.How much will you_________ for it?
| A．spend | B．afford |
| C．charge | D．cost |
I wonder how long it will be before he_________ at the meeting.
| A．turns down | B．turns to |
| C．turns up | D．turns out |
The goals_________ he had fought all his life no longer seemed important to him.
| A．after which | B．for which |
| C．with which | D．at which |
I didn’t manage to do it_________ you had explained how.
| A．unless | B．until |
| C．when | D．since |
Here’s my card.Let’s keep in_________.
| A．touch | B．relation |
| C．connection | D．friendship |