It is reported that large amounts of locusts(蝗虫) _____ in their activity in the north now.
| A．is | B．are | C．was | D．were |
John received an invitation to dinner, and with his work ______, he gladly accepted it.
| A．finished | B．finishing | C．having finished | D．was finished |
— Is it OK if I take this seat?
—Sorry,___________.
| A．here you are | B．take it | C．it is taken | D．never mind |
With so many problems____ , the newly-elected president had a hard time.
| A．settled | B．to settle | C．being settled | D．was settled |
_____ many times, but he still didn’t know what to do next.
| A．Having been told | B．Although he had been told |
| C．He had been told | D．Having told |
She is so beautiful a girl ___ we all like.
| A．that | B．which | C．as | D．what |