The mother thanked the young man again and again, without _____ help her son would have been killed by the passing car.
| A．whom | B．his |
| C．whose | D．who |
—Can I look at the menu for a few more minutes before I decide?
—Of course. ______, sir.
| A．Make yourself at home | B．Take your time |
| C．It doesn’t matter | D．Enjoy yourself |
_______ person who is responsible for his work will react quickly in _______ emergency.
| A．A; / | B．A; an | C．The; / | D．A; the |
—We’ve finally found the solution with the help of Hans! It’s really great!
—____, you know.
| A．Two heads are better than one | B．Birds of a feather flock together |
| C．The early bird catches the worm | D．Great minds think alike |
The clean towels are in the drawer—if you need ____.
| A．that | B．one | C．it | D．so |
Time _____ , we are going to visit the famous military museum before we leave this city.
| A．permits | B．to permit | C．permitting | D．being permitted |