With coal and oil , what long-term effects of global warming on humans will be?
| A．run out of | B．are using up | C．run out | D．running out of |
After that we never saw her again, nor ________from her.
| A．had we heard | B．we heard | C．did we hear | D．we have heard |
There are differences in spelling and pronunciation_______ AmE and BrE. That means AmE is more or less different _________BrE.
| A．between; from | B．from; in | C．in; between | D．from ; between |
.----could you please drive faster. The flight _______- in an hour.
----I’d like to, but you see, we are stuck in the traffic jam
.
| A．took off | B．is taking off | C．has taken off | D．is taken off |
When I was a child, my teacher told me that the earth ______round the sun.
| A．to go | B．goes | C．has gone | D．going |
You will fail in the coming examination________ you work hard at your lessons.
| A．unless | B．if | C．whether | D．when |