Some can never go above 4000 meters, because their body is unable to ___________
these extreme conditions.
| A．adopt to | B．adjust | C．adapt to | D．admire |
Of the seven days in a week, Saturday is said to be the most popular ______ for a wedding in some countries.
| A．way | B．situation | C．event | D．choice |
. If you think that the illness might be serious, you should not ______ going to the doctor.
| A．put off | B．set about | C．hold back | D．give away |
--- Did you get ______ job that you were interviewed for?
--- No. John was ______lucky dog.
| A．a；a | B．the；the | C．a；the | D．the；不填 |
. The boy was sitting at the desk, ______ hard when his mother got home.
| A．to pretend to work | B．to pretend to be working |
| C．pretending to work | D．pretending to be working |
. ______ the house costs, it will be ______ it.
| A．Whatever, worth | B．However, worth |
| C．How much, worthy of | D．What, worthy of |