Bikes ______ in the 1880s and they ______ traveling around.
| A．were invented; were used as |
| B．were invented; are used for |
| C．was invented; was used for |
| D．invented; are used to |
She ______ to an English program while her parents ______ TV
| A．was listening; is watching |
| B．listened; were watching |
| C．was listening; watched |
| D．was listening; were watching |
It _________about an hour to take the underground from the town to the city.
| A．costs | B．spends | C．pays | D．takes |
She must be a true friend. She never _______ a bad word about others.
| A．speaks | B．says | C．talks | D．tells |
He found _________ to sleep.
| A．difficult to get | B．it difficult getting |
| C．it difficult to get | D．that difficult to get |
Lei Feng is my hero. We should learn from him and think less of____ than others.
| A．us | B．ourselves | C．our | D．ours |