When his brother was to cross the street，he was knocked down by a truck and badly ________.
| A．injured | B．damaged | C．harmed | D．destroyed |
Susan advised me not to buy the vase, but I bought it _____.
| A．anyhow | B．however | C．though | D．totally |
Scientists in some countries have done a lot of work to _____ the moon.
| A．cover | B．search | C．explode | D．explore |
She does not know _____ the situation, for she is too inexperienced.
| A．how to deal with | B．what to deal with |
| C．how to deal with it | D．what to do with it |
I know these flowers are not natural, but the _____ ones look more beautiful and can last long.
| A．fresh | B．new | C．true | D．artificial |
Cattle’s two ____ help them to digest food and their fur to keep them warm.
A stomaches B heart C stomachs D hearts