An engineer has designed _______ robot that can work in _______ deep sea to clean waste.
| A．a; the | B．a; a | C．/; the | D．the; / |
David is ______ animal fur, so he won’t visit anyone who has cats or dogs in the house.
| A．curious about | B．allergic to |
| C．satisfied with | D．fond of |
John invited about 40 people to his wedding, most of ______ are family members.
| A．them | B．that | C．which | D．Whom |
—Would you mind answering some questions on shopping habits?
— _____________________________.
| A．Yes, with great pleasure |
| B．No, I am afraid I can't make it |
| C．Yes, it is worth the time |
| D．No, as long as it doesn't take long |
— What are you doing this Saturday?
— I'm not sure, but I go to the Rolling Stones concert.
| A．must | B．would | C．should | D．Might |
--Hi, Tracy, you look tired.
--I am tired. I _________ the living room all day.
| A．painted | B．had painted |
| C．have been painting | D．have painted |