—When can I play basketball with my friends, Daddy?

—Finish your homework first, or I ________ let you go. [ ]

A. don't

B. haven't

C. didn't

D. won't

The bridge enables people to get to the island in less than an hour. The underlined part means "_      "   [ ]

A. makes it safe for  

B. makes it possible for  

C. makes it necessary for  

D. makes it enjoyable for