______ you work hard, you won’t be able to clear even the preliminaries.

(A) If
(B) Until
(C) Unless
(D) Lest
(E) When

Q. She was not feeling well. Despite that, her performance at the compitition was ______.
(A) happy
(B) out standing
(C) dumb
(D) undesireable
(E) None of these

Q. Its not often you meet a band with such a\an _______ and cheerful outlook.
(A) effervescent
(B) depressed
(C) flat
(D) apealing
(E) None of these

Answers:
1. (C) Unless
2. (B) out standing
3. (A) effervescent