Years ago we didn’t know this, but recent science ______that people who don’t sleep well soon get ill.
| A．showed | B．has shown | C．will show | D．is showing |
New technologies have made ______ possible to turn out new products faster and at a lower cost.
| A．that | B．this | C．one | D．it |
Not only I but also Jane and Marry ______ tired of having one examination after another.
| A．is | B．are | C．am | D．be |
If he takes on this work, he will have no choice but ______ an even greater challenge.
| A．meets | B．meeting | C．meet | D．to meet |
As a child, Jack studied in a village school, ______ is named after his grandfather.
| A．that | B．where | C．what | D．which |
----- Have you heard about that fire in the market?
----- Yes, luckily no one ______.
| A．hurt | B．was hurt | C．has hurt | D．had been hurt |