86. If you receive my letter, please write to me as soon as you can.

　 If you receive my letter, please write to me as soon as_________.

85. Frightened by the gunshot, his heart beat fast.

　 _____ ______ _____frightened by the gunshot, his heart beat fast.

84. I spend two hours repairing my bike.

　 _____ _____ ____ two hours to repair my bike.

83. We were determined to stop pollution(污染).

　 We ________　 _____ stop pollution.

82. Hurry and you will catch the early train.

　 ____　 ______ hurry, you will catch the early train.

81. Unless you studies hard, you will never pass the driving test.

　_____　 _______　 ______ studies hard, he will never pass the driving test.

80. The news sounds _______. He should join the army!

79. We are all　 __________ our winter vocation .

78. He ___ the purse on the ground and gave it to that old lady standing beside him.

77. This ribbon　 _____ your skirt perfectly, you can get it.