The problem of global warming is serious. _____ , the sea levels have _____a little.
| A．As a consequence; risen |
| B．On the contrary; arisen |
| C．On the other hand; arisen |
| D．In other words; risen |
At the age of fifteen she gave up taking piano lessons to _____ her school work.
| A．hold on | B．call on | C．put on | D．concentrate on |
It is still under discussion _________ the old bus station should be replaced with a modern hotel or not.
| A．whether | B．when | C．which | D．where |
David is a skillful worker. I’m sure he has enough _______ to fix all the electronic ______.
| A．experience; equipment | B．experience; equipments |
| C．experiences; equipment | D．experiences; equipments |
Going out is________ good means of relaxation. Would you like to go to ________ with me in the afternoon ?
| A．the; the | B．a; the | C．the; a | D．a; a |
Beyond _______ stars, the astronauts saw nothing but _______ space.
| A．the; / | B．/; the | C．/; / | D．the; the |