―Do you know where David is? I couldn’t find him anywhere.―Well. He ______ have gone far — his coat’s still here.
.---Hurry ! It,s high time that we____to school. ---- Oh, if only the alarm clock____earlier.
American- Indians____ about five percent of the USA population .
.They will start their project ____at helping the poor children to be educated in China's west.
It can not be a(n) ___that four jewellery stores were robbed in one night.
-----What do you think of ____concert last night? ---No doubt it was ____great success.