A lot of language learning，________has been discovered，is happening in the first year of life，so parents should talk much to their children during that period.
| A．as |
| B．it |
| C．which |
| D．this |
HowIwishIcould________myideasinsimpleandwonderfulEnglishchattingontheInternet.
| A．setoff | B．setout | C．setover | D．setup |
Thephotographerneedstochargeupthedigitalcameraeverydayasthebattery________quickly.
| A．shutsup | B．endsup | C．runsout | D．turnsout |
Ifyoulackexperience,youcan_______itthroughpractice.
| A．makeup | B．makeupfor | C．makeof | D．makefrom |
Icouldseeacarinthedistance,butcouldn’t_______whatcoloritwas.
| A．makeout | B．seethrough | C．lookout | D．watchout |
Manyforeigners________theGreatWallofChinaastheWorld’sSeventhWonder.
| A．lookat | B．lookfor | C．lookaround | D．lookon |