The pyramid ________how many years ago，do you know?
| A．dated back to | B．dated from |
| C．dates back | D．dates back to |
Always read the ______ on the bottle carefully before taking medicine.
| A．instructions | B．explanations | C．descriptions | D．introductions |
It is reported that the US uses ______ energy as the whole of Europe.
| A．as twice | B．twice much | C．twice much as | D．twice as much |
— The weather isn’t good enough for an outing, is it?
— Not in the least. We can’t have __________ at this time of the year.
| A．a nicer day | B．a worse day | C．a worst day | D．so fine a day |
Do you still remember the key points that ___________ in his report? I don’t remember them all.
| A．referred to | B．were referred | C．he was referred to | D．were referred to |
When he was doing the software development project, he ___________ many problems that he had to solve on his own.
| A．came up with | B．came through | C．came across | D．came out |