Helen has got ________ it takes to be a great tennis player. In other words, she has the potential to become world famous.
| A．that | B．how | C．when | D．what |
There is some doubt whether he will______ at the meeting.
| A．turn on | B．turn up | C．turn down | D．turn off |
The reason______ he was late for work was______ he didn’t get up early.
| A．for, because | B．which, because | C．why, that | D．for, that |
Before building a house, you will have to ______ the government’s permission.
| A．get from | B．hear from | C．ask for | D．go for |
The government has to close those small factories to prevent the water of the river___.
| A．from polluting | B．polluted | C．polluting | D．being polluted |
Along with the letter was his promise _____ he would visit me this coming May Day.
| A．that | B．which | C．what | D．whether |