—May I open the window to let in some fresh air?
—________！
| A．Come on | B．Take care |
| C．Go ahead | D．Hold on |
_______from media reports，the result has been unclear.
| A．To judge | B．Having judged | C．Judging | D．Judged |
Listen! Do you hear someonefor help?
| A．calling | B．call | C．to call | D．called |
She can’t help ______ the house because she’s busy making a cake.
| A．to clean | B．cleaning | C．cleaned | D．being cleaned |
When and where to build the new factory ____yet.
| A．is not decided | B．are not decided | C．has not decided | D．have not decided |
Tom as well as two of his classmates _____invited to the party.
| A．was | B．were | C．have been | D．had been |