1. After graduation David started travelling in China, where the _______ an interest in teaching English to Chinese students.
A. encouraged B. received C. developed D. devoted
2. Interestingly enough, the two sisters have much in ______________.
A. ordinary B. common C. general D. particular
3. Thank you very much for keeping me well _______ the 19th CPC National Congress.
A. informing from B. from informing of
C. informed of D. from informed about
