The student took that course ______ he could improve his English.
_______ has been a topic of continual geological research.
The packages___________________ so that it would be easier to carry them.
Tom: "___________________ " Mike: "I won't say no!"
She asked me______I was looking at.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Michael looked deeply hurt and surprised when_____________________ .
It is stated in the passage that____________________ .
We must push the piano to the corner of the hall to_____________________ our party tonight.
Only one of our gifted students______to participate in the final competition.