Many students memorize the new words _____ them many times.[ ]

What are you going to be when you grow up?－I’m going to be _____ English teacher in ______ university.

Excuse me, is Mr Green in the office?—No. He Singapore for a meeting. He will be back in a few days.

My parents told me _______ lies（谎言）.

Look! Mrs Green is wearing a black dress today.－ I think she _______ wear red. She looks young in red.