According to the periodic table, still some elements undiscovered.
| A．there seem to be | B．it seems to be | C．it seems that | D．here seem |
The invention of steam engine greatly sped up the industrial revolution, which _____ a lot to the take-off of the world.
| A．led | B．contributed | C．constructed | D．exposed |
I came here with your mother ________ to see you.
| A．specially | B．special | C．especially | D．especial |
How did all these _________?
| A．came out | B．come up | C．come across | D．come about |
It’s _______ hot here. We can’t stay here for a long time.
| A．much | B．very much | C．much too | D．too much |
Please tell me the way you thought of _______ the garden.
| A．take care of | B．to take care of |
| C．taking care of | D．to take care |