It's a common _______ for young people to pay a New Year's visit to their elders.
| A．sense | B．practice | C．rule | D．scene |
30 % of the young trees, attacked by diseases, ________pine trees.
| A．is | B．are | C．was | D．has been |
Tomato, which used to be called “love-apple”, is not ____but ______.
| A．fruit; vegetable | B．fruit; a vegetable | C．a fruit; a vegetable | D．a fruit; vegetables |
- _______ do you have in this season?
--- You can have anything you want.
| A．What fruit | B．Which fruit | C．Which fruits | D．What fruits |
The letter _____London, May 24th, 1898 .
| A．is dated from | B．was dated in | C．dated in | D．dated from |
____-Maria will come to the party makes no difference.
| A．Whether | B．If | C．That | D．How |