The problem puzzled me so much that I stopped for a few seconds to try to_______.
| A．make it over | B．make it off | C．make it up | D．make it out |
David has a big house, which ____ eight rooms.
| A．is made up | B．consists of | C．makes up of | D．makes up |
This visit will greatly ____ our understanding of your great country.
| A．add up to | B．add up | C．add to | D．add in |
Peter is really ____; I don’t think I will get ____ working with him in the same office.
| A．amusing, boring | B． bored | C．amused, bored | D．amused, boring |
House prices keep rising these days. A flat in our city costs ____ now as in 1990.
| A．as three times much | B．as much three times |
| C．much as three times | D．three times as much |
Make sure that the machine is kept where it is not ____ to children.
| A．possible | B．common | C．accessible | D．Useful |