A well-written speech ______ a lot, such as a good choice of words, a clear
structure, a distinct theme, etc.
| A．calls on | B．calls for | C．calls up | D．calls off |
______the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
| A．If | B．While | C．Because | D．As |
I called Hannah many times yesterday evening，but I couldn't get through. Her brother_____ on the phone all the time!
| A．was talking | B．has been talking | C．has talked | D．talked |
The growing speed of a plant is influenced by a number of factors，____are beyond our control.
| A．most of them | B．most of which | C．most of what | D．most of that |
When asked _____ they needed most, the kids said they wanted to feel important and loved.
| A．what | B．why | C．whom | D．which |
You don’t have to know the name of the author to find a book. You ____find the book by the title.
| A．must | B．need | C．can | D．would |