____ the 1990s, the number of antelopes had fallen to about 50,000.
| A．During | B．Since | C．By | D．Over |
It won’t be easy, but we’ll get across the river ______.
| A．somewhat | B．somewhere | C．somehow | D．sometimes |
Our house on the hillside ______ a beautiful view of the port.
| A．overlooks | B．witnesses | C．classifies | D．betrays |
This area experienced ______ heaviest rainfall in ______ month of May.
| A．a; a | B．a; the | C．the; the | D．the; a |
—Shall I give a ride as you live so far away?
—Thank you. __________.
| A．It couldn’t be better | B．Of course you can |
| C．If you like | D．It’s up to you |
So difficult __________it to live in an English-speaking country that I determined to learn English.
| A．I have felt | B．have I felt | C．I did feel | D．did I feel |