---______ are you buying so much food?
---Because your uncle is coming for supper.
| A．What | B．How | C．Where | D．Why |
---- What are you going to do this weekend ?
---- I'm going to do some outdoor activities _______ it rains .
A. If B. unless C. because
She has succeeded in _____ the problem.
A. solving B.solve C.to solve
---- Would you like a hamburger or a hot dog ?
----_______ is OK . I really don't mind .
A. Either B. None C. Neither
They_________ all their money, so they have to walk home now.
A. spend B. will spend C. have spent
_____ the one-child policy, now our country’s population isn’t growing so fast.
A. Thanks for B. Thanks to C. Because