You can use a large plastic bottle, _____ cut off, as a pot to grow young plants in.
| A．the top is | B．the top of which |
| C．whose top | D．with its top |
Our bodies are strengthened by taking exercise. ________，our minds are developed by learning.
| A．Probably | B．Likely | C．Similarly | D．Generally |
— Let's have a game of tennis; the loser has to treat the other to a hot dog.
— .
| A．I'm afraid so | B．It's a deal |
| C．You've got a point | D．My treat |
never to come back before he could make a big fortune, Mike left home without saying a word.
| A．Determining | B．Determined | C．Being determined | D．Decided |
The store had to ____ a number of clerks because sales were down .
| A．layout | B．layoff | C．layaside | D．laydown |
I was so excited last night that it was a long time _____I got to sleep.
| A．that | B．since | C．before | D．when |