_____around the clock for two days，he managed to finish the report for the manager on schedule．
| A．Working | B．Worked |
| C．Having worked | D．To work |
The new stadium being built for the next Asia Games will be ___the present one
| A．as three times big as |
| B．three times as big as |
| C．as big as three times |
| D．as big three times as |
The manager___the workers how to improve the program since 9 am.
| A．has told |
| B．is telling |
| C．has been telling |
| D．will have told |
We were all agreed that the cottage would___a perfect holiday home for the family
| A．make |
| B．turn |
| C．take |
| D．have |
I’ve___the habit of calling in on my grandparents on my way home from school
| A．come into |
| B．gone into |
| C．got into |
| D．run into |
Parents and children should communicate more to___the gap between them so that they can understand each other better
| A．open |
| B．narrow |
| C．widen |
| D．leave |