____________, I’d like to say how much I’ve enjoyed staying in your beautiful country.
| A．To include | B．As conclusion |
| C．To conclude | D．In the conclusion |
My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive .
| A．as | B．so | C．too | D．very |
He didn’t make ________ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
Being a parent is not always easy, and being the parent of a child with special needs often carries with ___ extra stress.
| A．it | B．them | C．one | D．him |
Jane was asked a lot of questions, but she didn’t answer_____ of them.
| A．other | B．any | C．none | D．some |
Could I speak to is in charge of International Sales please?
| A．who | B．what | C．whoever | D．whatever |