She brought with her three friends, none of ______ I had ever met before. 
| A．them | B．who | C．whom | D．these |
What we all know is that new technology is being ________to almost every industrial process.
| A．applied | B．attempted |
| C．acquired | D．arranged |
It was not until last week_______ she found________ she thought was quite mistaken.
| A．when；that | B．that；that |
| C．when；what | D．that；what |
—Brad was Jane’s brother!
— _____ he reminded me so much of Jane!
| A．No doubt | B．Above all |
| C．No wonder | D．Of course |
—Hurry up! Alice and Sue are waiting for you at the school gate.
—Oh! I thought they________ without me.
| A．went | B．are going |
| C．have gone | D．had gone |
You have to be accurate in this job，because a small mistake can make a big ________.
| A．difference | B．difficulty |
| C．trouble | D．change |