1．The driver was at_________loss When ________word came that he was forbidden to drive for speeding.
A.a；the B./；/． C.the；the D.a；/
2．In the clinic the doctor gave me a (n) ___________ for anti-H1N1 flu.
A.indication B.prescription
C.direction D.reservation
3．__________ the zoologists tried to prove was that the photo of the South Chha Tiger had been staged or technologically dealt with.
A.That B.Why C.Whether D. What
