---Where is mother?
---She is in the kitchen. She ___ the dinner for the party the whole afternoon.
| A．is preparing | B．was preparing | C．has preparing | D．has been preparing |
This is a very lovely doll. I’ll buy it _____.
| A．how much may it cost | B．no matter how it may cost |
| C．however much it may cost | D．how may it cost |
Modern education is _____ sitting at a desk and looking at the blackboard.
| A．no more than | B．not less than | C．more than | D．less than |
You must _____ a wide vocabulary if you want to learn a language well.
| A．build up | B．put on | C．settle down | D．set up |
People often _____ me with my twin sister as we are so alike.
| A．confuse | B．compare | C．connect | D．combine |
I wanted to catch _____ early train, but couldn’t get _____ ride to the station.
| A．an; the | B．/; the | C．an; / | D．the; a |