. Evidence came up ________ specific speech sounds are recognized by babies as young as months old.
| A．that | B．whose | C．which | D．what |
---People should use public transport instead of their own private cars.
--- _______.The roads are too crowd as it is.
| A．All right. | B．Exactly. | C．Go ahead. | D．Fine. |
--- I saw Mr Li at the meeting yesterday.
--- Did you? He ______ have attended, for he had asked for sick leave.
| A．needn’t | B．couldn’t | C．shouldn’t | D．mustn’t |
Elizabeth believed the dog would die if ________ to her cruel owners so she kept it.
| A．returning | B．was returned | C．it would return | D．returned |
Chatting online can be _____fun, but kids must be sure they stay safe on _____web.
| A．不填; a | B．a; the | C．不填; the | D．a; a |
—What’s the matter with Tim?
—Oh. His electronic dictionary was left in a taxi accidentally, never ________ again.
| A．to find | B．finding | C．to be found | D．being found |