Our city is no longer what it used to be. It has _________ a new look.
| A．carriedon | B．kepton | C．takenon | D．puton |
______ a little earlier, you could have caught the last bus.
| A．If you would arrive |
| B．If you arrived |
| C．Should you arrive |
| D．Had you arrived |
People all over the world have a dream ______they will always live a peaceful life.
| A．that |
| B．what |
| C．which |
| D．when |
The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
| A．where |
| B．whether |
| C．how |
| D．that |
I have no doubt in my mind_____ they will be happy to accept the job.
| A．if |
| B．whether |
| C．that |
| D．what |
The teacher left word with our monitor ___________ she would explain the problem again next time.
| A．who |
| B．which |
| C．as |
| D．that |