题目内容
Before a problem can be solved, it must be obvious ______the problem itself is.
| A．what | B．that | C．which | D．why |
A
解析试题分析：考查主语从句：句意：在问题解决之前，问题本身是什么必须明确。it在句中做形式主语，真正的主语是what the problem itself is ，what在主语从句中做表语，选A。
考点：考查主语从句
—Where did you get to know her?
—It was on the farm______ we worked.
| A．that | B．there | C．which | D．where |
______ role she played in the film! No wonder she has won an Oscar.
| A．How interesting | B．How an interesting |
| C．What interesting | D．What an interesting |
Evidence has been found through years of study______ children’s early sleeping problem likely to continue when they grow up.
| A．why | B．how | C．whether | D．that |
Not until the bus disappeared in the distance ________ her school bag was gone.
| A．Tina had found | B．had Tina found | C．did Tina find | D．Tina found |
It was announced that only when the fire was under control to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would the residents be permitted | D．the residents had been permitted |
Is it he or you ________ in charge of the job and supposed to complete it on time?.
| A．who is | B．that is | C．who are | D．whom are |
Correct the errors in the following sentences, if .
| A．not | B．necessary | C．any | D．ever |
I _____not thank you too much for your help.
| A．may | B．can | C．should | D．will |