37. All animals, ______ their size, breathe once for every four heartbeats.
| A．however | B．whatever |
| C．no matter | D．in spite of |
I can’t remember when exactly the Robinsons left _____city ,I only remember it was ______ Monday.
| A．the , the | B．a ,the | C．a, a | D．the, a |
It is often said that ____teachers have _______very easy life.
| A．/,/ | B．/,a | C．the,/ | D．the, a |
If you go by ______train ,you can have quite a comfortable journey ,but make sure you get _____fast one.
| A．/, / | B．/, a | C．the, a | D．/,/ |
______recent report stated that the number of Spanish speakers in the U.S .would be higher than the number of English speaker by_____ year 2090.
| A．the | B．A, / | C．The ,/ | D．The, a |
The house built of stone lasts longer than ____ built of wood.
| A．the one | B．one | C．that | D．its |