I was nearly exhausted from preparing my experiment report last night so I took a hot bath to myself.
| A．behave | B．transform | C．present | D．refresh |
--- An ant has two stomachs --- one for itself, one for others.
--- Really? Quite interesting. I ____ anything about it.
| A．don’t know | B．have known | C．haven’t known | D．didn’t know |
AIDS is said__________the biggest health challenge to both men and women in that area over the past few years.
| A．that it is | B．to be | C．that it has been | D．to have been |
______ only 20 minutes to go before the train left, I felt uneasy in the taxi to the railway station.
| A．For | B．With | C．As | D．Because |
If you can make what the teachers teach ________, you’ll make rapid progress.
| A．yours | B．yourself | C．you | D．your |
_______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
| A．What | B．Though what | C．In spite of what | D．However what |