---- Do you know Tom, ______ father is an engineer?---- Yes, quite well. He ______ be the first to offer me help when I met with problems.
______ customers, the Hong Kong company said the amount of the chemical in the shampoo products wouldn’t harm people’s health.
He complained that this was the third time he _________ of the changes of the meeting.
---Did you enjoy the drama last night?---Yes. I’ve never seen _________ one before.
Many people complained about the stones scattering on a roadway, but ______ did anything about getting the stone out of the way.
Recently, much more emphasis has been put ______ developing the students’ creativity.