A family of five is really a heavy burden, so we all have to work hard to _______.
| A．find out | B．work out | C．carry out | D．help out |
He ______ be a history teacher.
| A．used to | B．be used to | C．use to be | D．be use to |
This book ______ Tom’s father’s, because his name is on the book.
| A．maybe | B．may be | C．must be | D．must |
This question is ______ easy, all the students can answer the question.
| A．too much | B．too many | C．much too | D．many too |
I don’t know _________.
| A．what to do it | B．how to do it | C．what to do | D．to do what |
When we practice speaking English, we often end up _____ in Chinese.
| A．to speak | B．speaking | C．spoken | D．speak |