_____the beginning of the 19th century did scientists know that all matter is made up of atoms.
A,At B,By C,Up to D,Not until
For the sake of her daughter’s health, she decided to move to a warm ______.
| A．weather | B．temperature | C．season | D．climate |
He wrote ______ song, which turned out to be rather popular with ______ young.
| A．the; the | B．a; 不填 | C．a; the | D．the; 不填 |
--- What would you like, sir?
--- ______.
| A．Two cups coffee |
| B．Two cups of coffees |
| C．Two coffees |
| D．Two cup of coffees |
______ are very popular with people all over the world, but do you know who was it that invented ______ telephone?
| A．The telephone; 不填 |
| B．Telephone; a |
| C．The telephones; the |
| D．Telephones; the |
--- Who did you spend last weekend with?
--- ______.
| A．Palmer’s | B．The Palmers’ |
| C．The Palmers | D．The Palmer’s |