——Excuse me, _______?
——That’s $50 altogether, sir.
| A．how much should I give you |
| B．but can I take your order |
| C．could I have the bill, please |
| D．would you please take the money |
A good storyteller must be able to hold his listeners’curiosity ________he reaches the end of the story.
| A．when | B．unless |
| C．after | D．until |
Don’t be afraid of asking for help ________ it is needed
| A．unless | B．since |
| C．although | D．when |
Mr. Hall understands that _______ math has always been easy for him, it is not easy for the students.
| A．unless | B．since | C．although | D．when |
Sally worked late in the evening to finish her report ________ her boss could read it first next morning.
| A．so that | B．because |
| C．before | D．or else |
It was an exciting moment for these football fans this year, _________ for the first time in years their team won the World Cup.
| A．that | B．while |
| C．which | D．when |