—I’d like to call you at 10 o’clock next Friday morning if it is convenient.—I’m afraid I _______ an important meeting.
It is requested that each of the teachers invited ______ a performance at the party.
Having lived in China for 8 years, Helen has a good _______ of both English and Chinese.
A lot of people here, _____, Tom, are for the plan that we will go to the beach on foot.
She devoted herself _______ to her research and it earned her a good reputation in her field.
You’d better ______ your score and see if you have passed the exam.