The lady in red ___ be over fifty! She looks so young.A. must B. can C. can’t
They were exhausted , so that they decided totwo days ____.
— Julia, what were you doing when Anna called you? —I my housework and to take a bath.
Mr. Smith, with the result of the experiment, sat on the chair, smiling.
Can you think of a situation in which the two ______ from each other.
_____his timely help ,Kate overcame the hardship at last.