All substances, _____ solid, liquids or gases, are made up of entirely atoms.
| A．whether they | B．whether |
| C．whether are they | D．whether are |
If we canour present difficulties, then everything should be all right.
| A．come across | B．get over | C．come over | D．get the hang of |
We may lose a lot of support, but that’s thewe’ll have to take.
| A．bond | B．bet | C．chance | D．hazard |
Tom, yourself. Do you forget the school rules?
| A．achieve | B．believe | C．respect | D．behave |
What prevented your plan?
| A．from being carried out | B．from carrying out | C．to carry out | D．to be carried out |
you’ve got a chance, you might as well make full use of it.
| A．Now that | B．As if | C．Even if | D．As soon as |