Darwin counted 225 flowering plants, ________ he collected and brought home 193.
A. that B. in that C. of which D. all of which
When somewhat better ________ academically, he returned home to continue his research.
A. equipped B. had equipped
C. provided D. providing
This new teaching approach is specially ______ to develop children’s problem-solving skills.
A. designed B. devoted C. concentrated D. hoped
The opening ceremony of Beijing 2008 Olympics is a great success, which is believed ________ the Chinese splendid civilization.
A. having been displayed B. to have displayed
C. to be displayed D. displaying
The government has taken some measures to reconstruct the earthquake-hit areas, but it must be some time ________ everything returns to normal.
A. since B. after C. unless D. before
________ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
A. Examining B. Examined
C. Being examined D. Having been examined
