问题
Where _______ Margaret have put the empty bottles? —She ______ them away. They must be somewhere.
A:can; can’t have thrown
B:must; needn’t
C:must; must have thrown
D:can; must throw
B:must; needn’t
C:must; must have thrown
D:can; must throw
正确答案是：
同类题型
Shelooked up and nodded for me ______
Computer is so useful. It can do almost everything.—Yes, but it ______ what to do.
Look! The boy is singing _____________ the classroom.
He has got a very nice bikewhich has a basket ______ and a seat ______
It is reported that great efforts made to ________ the case have paid off.