--All the building materials have been washed away.
---So I have heard. But there was no sign ______ a heavy rain was on the way last night.
| A．when | B．If | C．which | D．that |
My deskmate exercises regularly every day，so he is always________and studies efficiently.
| A．energetic | B．confident |
| C．generous | D．reliable |
In China，it is a traditional________to show respect to ancestors during the Qingming Festival.
| A．belief | B．custom |
| C．strength | D．principle |
Either the judge or the lawyers________wrong on the case at that moment.
| A．is | B．are |
| C．were | D．was |
Our government’s plan to fight against air pollution will focus on________information and handling PM 2.5.
| A．expressing | B．representing |
| C．gathering | D．acknowledging |
The meeting between the presidents of those two countries________in Paris last week.
| A．took apart | B．took action |
| C．took effect | D．took place |