—Would you like to go to the dinner party on Saturday?
—Thank you. I'd love to，________I'll be out of town at the weekend.
| A．because |
| B．and |
| C．so |
| D．but |
He devoted himself __________ to his research and got many achievements.
| A．entirely | B．extremely | C．carefully | D．certainly |
A great number of visitors ________ attracted to my hometown, and the number of foreigners there _______ quite large.
| A．are; are | B．are; is | C．is; are | D．is; is |
I ______ my winter holiday with my family in Beijing next month.
| A．am spending | B．spent | C．have spent | D．spend |
Ladies and gentlemen, please fasten your seat belts .The plane _____ .
| A．takes off | B．is taking off | C．has taken off | D．took off |
I have bought the same computer she is using.
| A．as | B．that | C．which | D．than |