________ all the homework assigned by the school, the students have to work at it till midnight.
| A．Completing | B．To complete |
| C．Having completed | D．To have completed |
—How do you find your trip to Hainan?
—Lots of sunshine，wonderful food，and amazing nightlife—________a great vacation.
| A．although | B．however |
| C．altogether | D．besides |
What mobile phones will look like in a year or two is easy to guess—they will be slimmer and probably will let you watch television________.
| A．in the distance | B．on the move |
| C．on the way | D．on the mend |
It remains to be seen whether the plan which has been approved can be ________.It depends on your determination.
| A．come into use | B．put into practice |
| C．taken into consideration | D．got into trouble |
Which do you enjoy ________your weekend，swimming or fishing.
| A．spending | B．being spent |
| C．spend | D．to spend |
—Nowadays a growing number of people go to work by bike.
—Bicycling is good exercise；________it doesn't pollute the air.
| A．therefore | B．moreover | C．however | D．otherwise |