When to go for a holiday yet.
| A．has not been decided | B．have not been decided |
| C．are not decided | D．isn’t being decided |
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
----Do you know why he left so early?
----___________ for the English test, I guess.
A. Study B. Studying C. To study