—Have you known Dr. Jackson for a long time?—Yes,since she ________ the Chinese Society.
_______ confidence resulted in his failure in the interview.
_______ from the moon, our earth, with water _______seventy percent of its surface, appears a blue ball
Small sailboats can easily turn over in the water ________.
Tom ______ to me that the rooster which _______ in the corner _______ an egg.
They did not find ________ to prepare for the worst conditions they might meet.