He______be an English teacher.
Wearing white can help people _______when they feel stressed.
David didn’t give up ______ he had failed in the experiment four times.
—Look! That teacher is explaining something to her students again and again!—_______teacher she is!
Lucy liked all the dresses there, but she took the ______one to save as much money as possible for Project Hope.
Mandeep can go to school now. UNICEF has paid for her ______.