问题

It is difficult a best friend.

A:to find
B:finding
C:find
D:to be found;

正确答案是：

同类题型

You are wanted on the phone.— __________ nobody knows I’m here.

Why do you look so happy，Mike—Because I got ________ invitation from my friend for a birthday party.

Do you need help _______ your Maths homework

___________ bread do you want to buy

Bob often _______ two hours ________ his homework.