It doesn’t matter ________ you pay by cash or credit card in this store.
| A．how | B．whether |
| C．what | D．why |
. _____ squeezing your own orange, have you tried buying packs of orange juice?
| A．Or rather | B．More than |
| C．Rather than | D．Would rather |
Theory should be ________with practice.
| A．joined | B．connected |
| C．joined in | D．combined |
Ladies and gentlemen, please fasten your seat belt. The plane _____ .
| A．takes off | B．is taking off |
| C．has taken off | D．took off |
I was told that the singer ____ in 1980.
| A．was born | B．is born |
| C．had been born | D．had born |
--How much pepper did you put in the soup?
--I'm sorry to say, ____. I forget.
| A．no one | B．none |
| C．nothing | D．no |