Why don’t you bring ______ to his attention that you are too busy to do it?
| A．this | B．what |
| C．that | D．it |
It is almost five years_________we saw each other last time.
| A．before |
| B．since |
| C．after |
| D．when |
—Do I need to give a tip if I eat at a fast food restaurant in the United States?
—Yes, it’s a common ______ to tip waiter in a restaurant.
| A．sense |
| B．custom |
| C．method |
| D．practice |
________difficulties we may come across, we’ll help one another to overcome them.
| A．Wherever | B．Whatever | C．However | D．Whenever |
Don’t lose heart. You should believe the harder you study,____________.
| A．more progress you will make | B．the more progress you will make |
| C．the more you will make progress | D．you will make the more progress |
— “May I speak to your manager Mr. Williams at five o’clock tonight?”
— “I’m sorry. Mr Williams ________ to a conference by then.”
| A．will have gone | B．had gone |
| C．would have gone | D．has gone |