--Tony, come down and help me with the heavy box!
-- Come on! I _____ all day long．Get Peter to do that!
| A．work | B．had been working | C．had worked | D．have been working |
The news that Xiamen Xiang’an Tunnel, China’s first undersea tunnel, has been put into traffic excites us greatly,
______?
| A．doesn’t it | B．does it | C．do they | D．don’t they |
I need to call my friend David _____ coat I walked off by mistake yesterday.
| A．in whose | B．in that | C．with which | D．with her |
_______ the two designs, and you will find what problem there is with yours.
| A．Comparing | B．Compared | C．To compare | D．Compare |
----I can’t find my favorite magazine.
----I saw Jack going away with ______, but I’m not sure whether it’s yours.
| A．it | B．that | C．one | D．some |
. It is still unclear ______ the little boy got the CD player to work.
| A．where | B．what | C．that | D．how |