It ___ the students in your class who came to see you then.
| A．is | B．was | C．were | D．are |
More highways have been built in China, _____ it much easier for people to travel from one place to another.
| A．making | B．made | C．to make | D．having made |
A great idea suddenly _______ to me that I might use the pocket money to buy a tie for my father’s birthday.
| A．passed | B．happened | C．struck | D．occurred |
Ashes from the fire fall on the ice surface and _______ more radiation from the sun.
| A．take in | B．bring in | C．put in | D．go in |
As an employee, I couldn’t help but ______ still for hours as the boss told me to.
| A．stood | B．stand | C．to stand | D．standding |
Julie was good at German, French and Russian, all of _____ she spoke fluently.
| A．who | B．whom | C．which | D．that |