一China’s first moon car‘‘Yutu”has arrived on the moon surface．
一________ It’s a huge step for our space exploration．
A．My pleasure! B.Good idea ! C.How exciting!
You can see an________in the zoo．
| A．tiger |
| B．elephant |
| C．giraffe |
| D．panda |
—I think recycling books and paper is useful．
—________
| A．I quite agree． |
| B．I have no idea． |
| C．We shouldn’t use such things． |
| D．That’s a great idea． |
—Where is David?
—I think he________Australia．
| A．has gone to |
| B．has been |
| C．has gone |
| D．has been to |
—Have you packed the camera yet?
—Yes，of course．I________it last night．
| A．have packed |
| B．was packed |
| C．packed |
| D．had packed |
Homo erectus pekinensis(北京人)________in Zhoukoudian Village，on the Longgu Mountain，Fangshan District，Beijing．
| A．has discovered |
| B．was discovered |
| C．is discovered |
| D．will discover |