—These Maths problems are too hard to ______. Can you help me?
—There are many ways, but the most important is to try your best.
| A．work out | B．come out | C．put out | D．look out |
It takes us twenty minutes _____ the book.
A. read B. reading C.to read
The journey takes _____ .
A.half an hour B.an hour half C.a half hour
I like _____.
A. it very much B. very much it C.very it much
They teach _____ English.
A. we B. our C.us
What _____ she _____?
A. does; teaches B.does; teach C.do; teach