1. As a _____ actor, he can perform, sing, dance and play several kinds of musical instruments.
A. flexible
B. versatile
C. sophisticated
D. productive
2. As a salesman, he works on a (an) _____ basis, taking 10% of everything he sells.
A. income
B. commission
C. salary
D. pension
3. As an excellent shooter, Peter practiced aiming at both _____ targets and moving targets.
A. stationary
B. standing
C. stable
D. still
4. As teachers we should concern ourselves with what is said, not what we think _____.
A. ought to be said
B. must say
C. have to be said
D. need to say
5. As the plane was getting ready to take off, we all _____ our seat belt.
A. tied
B. locked
C. fastened
D. closed
