He is very sick. I insist that a doctor __________ immediately.
| A．has been sent for | B．sends for | C．will be sent for | D．be sent for |
-Sorry, I couldn’t find the suitable shoes you need.
-.
| A．Thanks anyway | B．No problem | C．Don’t mention it | D．It’s all the same |
rise in carbon dioxide is causingsteady increase in global warming.
| A．The; a | B．不填; a | C．The; 不填 | D．A；the |
We should get prepared for dealing with ________problems_________.
| A．any,arise | B．which,are arisen | C．whatever,arise | D．what,are arisen |
---You’ve read the Frog by Moyan,haven’t you?
---Yes,I_______second time and I got a better understanding.
| A．have read a | B．had read the | C．will read the | D．read a |
We’ll never forget this terrible accident and the damage_______has caused to the area.
| A．that | B．what | C．it | D．one |