__________ tomorrow, our ship will set sail for Macao.
| A．However the weather is like | B．However is the weather like |
| C．Whatever is the weather like | D．Whatever the weather is like |
During the flood many students volunteered ________ through the weekend, giving out food and water for the victims.
| A．working | B．to work |
| C．to have worked | D．having worked |
Our waste recycling project ________ a lot of investigation and paperwork had been done by the end of last term.
| A．involved | B．to involve |
| C．being involved | D．involving |
Every morning Jack's wife will stand before the mirror, ________ carefully until she has to go to work.
| A．dressed | B．dressing |
| C．to dress | D．having dressed |
________ for a whole night, we still couldn't agree on when to start and where to go for the holiday.
| A．Discussed | B．Having discussed |
| C．Discussing | D．Being discussed |
In my opinion, keeping dogs well ________ up is advisable for dog owners.
| A．to tie | B．being tied |
| C．tied | D．to be tied |