—What do you think of the 3D-printed ______?
—I’m afraid they are not safe enough to live in.
| A．tools | B．buildings | C．cars | D．toys |
– Hello ! Could I speak to Mr. King, please?
– Sorry, he’s ______ the supermarket.
A. been in B. been on C. gone to
It’s time for class . Let’s stop ______ .
A .talk B . talking C . to talk
—Can I eat the cake ,Mum?
—Yes, you can. ______you must wash your hands first .
A. But B. Or C. So
—Would you like something to drink ?
—_______ , please .
A . Water B.Meat C. Bread
I usually play ______ basketball with my friends .
A. a B. the C. 不填