Lily can ________ Chinese.

forgot his phone number that day.I had to ___ the phone book to find it.

You can find whatever you need at the shopping centre,_____is always busy at the weekend.

A number of students playing soccer on the playground. The number of them 12.

President Hu Jintao said economic growth is the basis for strengthening defense capability, which is ________ an important indicator of overall national strength[ ]