It will be one of the nations worst affected by climate change, as________ of the country ________ below sea level．
| A．two-fifth; is | B．two-fifth; are | C．two-fifths; is | D．two-fifths; are |
_________ this is the biggest mistake we have made.
| A．In a way | B．In this way | C．To the degree | D．In a degree |
It i s the second time that the poor area_______.
| A．had been visited | B．has been visited |
| C．was visited | D．is visited |
In modern times, the development of science is ________ .
| A．thought well of | B．thought highly |
| C．highly thought of | D．well thinking of |
He insisted that his plan _______ carried out at once.
| A．would be | B．could be | C．was | D．should be |
In order to have a good _______ of English, he decided to go abroad for further education.
| A．command | B．need | C．master | D．direction |