Dick speak Chinese? _ Yes, but he can’t speak it well.

 ---Whose book is this?---It________ be Ning’s because it has her name on it.

The flowers in my room         every day, or they’ll die.

  --- Whose hair band is this ?  ________ it be Kate’s ? --- I’m not sure . It ________ be hers.

 –I can’t stop smoking, doctor. --For your health, I’m afraid you________.

 —Look at the boy running on the ground. Is it David?—It      be him. I saw him go to the teacher’s office just now.

---Is Mr Hu in the reading room?---No, he _______be there. He has gone to Tianjin.

-Mr. Zhou, _____ the Iphone belong to Alice?-I’m afraid not. It may be John’s, but I’m not sure.

 What's wrong with your car? - Well, as you know, cars usually_______ start in winter.

You ___ drink wine before driving, or the police will take your license away.

 This book _____ Lucy’s. Look! Her name is on the book cover.

-----Must we clean the classroom now?------No ,you _______.

—Someone is knocking at the door. Is it Ann?—It _____ be her. She is giving a performance at the theatre now.

—Are you in a hurry?—No, I’ve got plenty of time. I _______ wait.

Where are you going this month?We_________ go to Xiamen, but we’re not sure.

—Mum, must I wash the dishes right now?—No, you ____.

----Where is my watch? I _______ find it. ----Don’t worry. It must be somewhere in your room. 

The lady in the sitting room           be over sixty. She looks so young.

Shall I take my swimming suit?No, you  ______. We will just go hiking on the mountain.

—Look at the young lady in red. Is it Mrs. King?—No, It ________ be her. She is wearing a white dress today.