—What’s this?
—It’s a machine which was invented in __________century in China.
| A．six | B．sixth | C．the six | D．the sixth |
The red shoes ________88 yuan.
| A．is on sale | B．are on sale for |
| C．are on sale | D．are on sale with |
—_______ is your favorite teacher? —Mr. Yang. We all like him.
| A．What | B．Who | C．How | D．Where |
I like math. It’s difficult ________ really interesting.
| A．but | B．and | C．or | D．So |
—Is the black dog yours? —No it isn’t. It’s my ______
A. grandparent’s B. grandparents C. grandparents’
－_____ do you have P.E?－We have it on Wednesday and Friday.
| A．Why | B．When | C．What | D．How |