You can’t imagine what great trouble I have ___ I want very much.
Without proper lessons, you could _________a lot of bad habits when playing the piano.
The college has developed an on-line system ________students can choose their own professors.
As a doctor , it’s against my ______ to accept gifts from patients.
In communication, a smile is usually ______ strong sign of a friendly and ______ open attitude.
The Wangs are considering ______ to Huangshan for a trip at five tomorrow morning.