The natives could live for thousand years in the desert land _______ a foreigner could starve.
Many Chinese college graduates leave their country to get further education in America with the ______of getting better jobs in the future.
It is not difficult to ______ Mr. Huang from among a crowd because he is above average height.
A man passing by sent me to a nearby hospital, and ______ his help, I received the medical treatment in time.
-- Will the weather be all right for our picnic this weekend? -- No, ______ we are lucky. The newspaper says it’ll be rainy anyway.
-- Your spoken Russian is so good. Have you been abroad? -- Yes. I ______ in Russia for two years.