| With its rapid growth in population, the city _____ in all directions in the last five years. |
A. spreads B. had spread C. spread D. has spread |
| As the experts tell us, we can pass on the flu _____ we realize we have it. |
A. before B. since C. while D. when |
| — Your flight was quite late last night. — Yes, it was midnight _____ our plane finally got to Jinan. |
A. that B. when C. since D. until |
| Teachers have to constantly update their knowledge in order to maintain their professional _____. |
A. consequence B. independence C. competence D. intelligence |
| The traffic slowed down because of the heavy snow in Yushu County, presenting a new _____ to the recovery from the earthquake. |
A. suffering B. disaster C. challenge D. damage |
| To our disappointment, the trip we had been looking forward to _____ in the pouring rain. |
A. starting B. start C. to start D. started |
| As you can see, we need the equipments, _____ are necessary to make the project move on. |
A. all of which B. all of them C. all that D. all what |
| A lot of tents, drinking water and food _____ to the homeless earthquake survivors in the past several weeks. |
A. are sent B. were sent C. have been sent D. had been sent |
| — _____ Mr. White was appointed director of our department. — Then we have two Whites now including _____ Mr. White, the doorkeeper. |
A. The; a B. A; the C. A; 不填 D. 不填; a |