1. Refrigerating meats ________ the spread of bacteria. A. slows B. slowing C. to slow D. is slowed 2. Throughout the animal kingdom, ________ bigger than the elephant. A. whale is only the B. is the whale only C. only whale is the D. only the whale is 3. The fact ________ credit cards are widely available has made them a popular form of payment. A. of B. that C. is that D. which is 4. The Constitution gave the legislative branch of government ________ to pass laws. A. the power B. has the power C. the power is D. of the power