--- Oh, it’s you! I ___________ you.---- I have just had my hair cut, and I am wearing new glasses.
Though ________ money, his parents managed to send him to university.
The research is so designed that once _______ nothing can be done to change it.
“What do you think made Mary so upset?” “_______ her new bike.”
“How do you deal with the disagreement between the company and the customers?” “The key ______ the problem is to meet the demand ______ by the customers.”
The boy wanted to ride his bicycle in the street, but his mother told him ______.