Has she had for the job—Yes, she has taught English for more than 10 years.

Taking charge of the big company, I’m afraid, is _____ his ability

Peter received a letter just nowhis grandma would come to see him.[ ]

This tower _______ back to 1860s and it is still in good condition

Einstein’s Theory of Relativity is so________that most of us can not understand it.[ ]