_____we promise continuous increase in rural incomes _____improve the whole people's well-being．
| A．Only if; we can | B．If only; can we | C．Only if; can we | D．Unless; we can |
How many nationalities ______ the country ______？
| A．is； consisted of | B．does； make up | C．is； made from | D．does； consist of |
________ in 1936, Harvard is one of the most famous universities in the United States.
| A．Founded | B．Founding | C．It was founded | D．Being founded |
I can make you _____ what I say, but you can’t make yourself ___________ in English.
| A．understand; understand | B．understand; understood |
| C．to understand; understand | D．understand; to be understood |
He found them __________ at a table___________.
| A．sat; to play chess | B．sitting; to play chess |
| C．seated; playing chess | D．seat; play the chess |
Is this the recorder that you want ___________?
| A．to have repaired | B．to repair it | C．to have it repaired | D．it repaired |