To prevent driving too long a time，we________ driving on the highway.
| A．took turns |
| B．took turn |
| C．made turns |
| D．made turn |
I found _______impossible for _______to work out the maths problem.
| A．it; him | B．it; he | C．that; him | D．that; he |
Give the message to ______ is at the table.
| A．whomever | B．whosever | C．whatever | D．whoever |
We should always keep ______ well-informed of the changing information.
| A．us | B．ours | C．ourselves | D．we |
If you want to change for a double room you’ll have to pay ___$15.
| A．another | B．other | C．more | D．each |
－Why don’t we take a little break?
－Didn’t we just have _______?
| A．it | B．that | C．one | D．this |