_____ of the students who took part in the military training is 450.
| A．A number | B．A lot | C．Lots | D．The number |
Many people think they have to spend a lot of money to keep healthy. Leading a healthy lifestyle doesn't have to cost much, .
| A．though | B．too | C．somehow | D．either |
—Imy project by the time you come to London.
—Great. This way you can act as my guide.
| A．finish | B．have finished | C．will be finishing | D．will have finished |
After a long day of hard work, my onlyis to get back home and have a good sleep.
| A．concern | B．ambition | C．reward | D．burden |
Miss White, smile is broad and warm, has a kind of beauty no matter what she wears.
| A．whom | B．who | C．that | D．whose |
Generally speaking, the family, not the school, plays therole in educating children for life.
| A．potential | B．primary | C．personal | D．professional |