Maybe if I ________ science，and not literature then，I would be able to give you more help.(2011·北京)
| A．studied | B．would study |
| C．had studied | D．was studying |
John like football while his sister ____ it.
| A．dislikes | B．don’t like | C．dislike | D．unlike |
—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone _____ the telephone.
| A．must use | B．uses | C．must have been using | D．must be using |
I don’t think the snow will _____ our plans for a picnic.
| A．affect | B．effect | C．infect | D．influence |
Sarah hopes to become a friend of _____ shares her interests.
| A．anyone | B．whomever | C．whoever | D．no matter who |
Phillip, can you see something red _____ in the distance on the water?
| A．Floated | B．float | C．being float | D．floating |