I（）have watched that movie--it'll give me horrible dreams.

A:shouldn' t B:needn' t C:couldn't D:mustn't

I（　）have watched that movie--it'll give me horrible dreams.

A:shouldn' t B:needn' t C:couldn't D:mustn't

—These boxes are too heavy for me to carry.
—Here, I’ll give you a hand ______ them.

A:for B:to C:with D:by

Give me a chance, ________ I’ll give you a wonderful surprise.

A:if B:or C:and D:while

I'll give you this sample to （） wants to have it.

A:whomever B:whoever C:someone D:anyone

I'll give you this sample to ( ) wants to have it.

A:whomever B:whoever C:someone D:anyone

I'll give you this sample to ( ) wants to have it.

A:whomever B:whoever C:someone D:anyone