They considered a computer, which was considered a great help in their work．
| A．to buy; to be | B．buying; being | C．to buy; being | D．buying; to be |
The pictures made me think of the days _____ we spent in Beijing.
| A．that | B．when | C．what | D．where |
I thought _______ necessary ______ him to tell his father everything.
| A．it; of | B．that; for | C．that; of | D．it; for |
Children who are not active or _____ diet is high in fat will gain weight quickly.
| A．what | B．who | C．whose | D．that |
Although it was really a difficult task, he decided to try his best to _______ success.
| A．challenge | B．host | C．approve | D．achieve |
—We are informed that the Weifang International Kite Festival starts at 7:00.
—Oh, I didn't expect it was so early! I ____ to go out for dinner with my friends first.
| A．would plan | B．am planning | C．have been planning | D．was planning |