If you live in the country or have ever visited there, ______ are that you have heard birds singing to welcome the new day.
| A．situations | B．facts | C．chances | D．possibilities |
Stephen Hawking believes that the earth is unlikely to be the only planet_______life has developed gradually.
| A．that | B．where | C．which | D．whose |
Between the two generations, it is often not their age, _________their education that causes misunderstanding.
| A．like | B．as | C． or | D．but |
—Ken has gone to the Africa country to work as a volunteer.
— I would rather he _____there. The situation there is very tense.
| A．didn’t go | B．hadn’t gone |
| C．doesn’t go | D．hasn’t go |
What the children in the mountain village need ______ good books.
| A．is | B．are |
| C．have | D．has |
In front of our school ______, where a lot of people play or take exercise at any time.
| A．does a park lie | B．is a park lie |
| C．a park lies | D．lies a park |