Thank you for sending us fresh vegetables of many kinds . You have done us
great service .
| A．不填； a | B．不填；不填 | C．the ；a | D．the ；不填 |
You don’t need to make fancy foods to impress guests—it is something simple but good _____ will do.
| A．what | B．that | C．which | D．who |
The school has developed an online systemstudents can choose their own teachers.
| A．which | B．that | C．whom | D．where |
We’d better stay here a little longerhe turns up unexpectedly.
| A．although | B．in case | C．since | D．if only |
---I’m sorry, but there is no smoking on this flight.
---Oh, I _____that. Sorry, I won’t again.
A. don’t know B didn’t know C. won’t know D. haven’t known
It was in the garden of the old house _____ he bought last year ______he dug up a pot of gold.
| A．which; which | B．that; which | C．what; that | D．that; that |