The doctors insisted that the patient was in danger, and that he __________on immediately.
A. was operated B. be operated C. should operate D. operated
----Travelling helps us understand life better.
---- ___________.
A. Actually B. Exactly C. Gradually D. Especially
Ladies and gentlemen, please fasten your seat belt. The plane __________.
A. takes off B. is taking off C. has taken off D. took off
________ you have a large vocabulary, you will find it easy to read.
A. Once B. Before C. Unless D. Even though
________ you met the foreigner from Canada?
A. Where it was that B Who it was that
C. Where was it that D. Where was that
___ staying at hotels in Red River Village, tourists can help the villagers make money so that they can take _____the river and the birds.
A. By; care for B. By; care of
C. Through; care about D. With; care of
