In the after-class activities，the students had plenty of_________and gained a lot of practical _________.
| A．experience;experiences |
| B．practices;experience |
| C．practice;experience |
| D．exercise;knowledges |
Such a problem is＿＿＿＿difficult for a primary school student ＿＿＿.
| A．so； to work | B．very too； to work out |
| C．rather too； to work out | D．quite too； to answer |
The railway was opened＿＿＿＿＿＿traffic＿＿＿＿＿＿＿ April 4, 1985.
| A．to； on | B．to； in | C．by； on | D．for； on |
Ted has been absent＿＿＿＿＿class for quite some time.
| A．for | B．with | C．of | D．from |
Early ＿＿＿the morning of May 1, we started off＿＿＿the mountain village.
| A．in； for | B．in； t? | C．on；／ | D．on； for |
He divided the sweets＿＿＿the children who were divided ＿＿＿three groups.
| A．in； in | B．into； into | C．between； in | D．among； into |