Have you seen ______ cartoon film Zootopia？

Of course．It's ______ most interesting film I've ever seen．（　　）

A．a，theB．the，aC．a，aD．the，the

They have provided several ways to solve the problem．We can choose _______ to start with．（　　）

A．itB．thatC．oneD．each

Hi，guys．Where were we yesterday？

We learned the differences ______ fact and opinion．（　　）

A．betweenB．amongC．duringD．beyond

What will the phone ______？

The same as you said，eight hundred dollars each．（　　）

A．spendB．costC．payD．afford

I hear you have a home robot．

Yes，it's amazing．It ______ do all my housework．（　　）

A．mustB．shouldC．couldD．can