utdoor training is an exercise , as we know, teenagers’ confidence can be built.

It was yesterday _____I went to the railway station to meet my uncle. ( )

The League secretary and the monitor____ asked to attend the .meeting this afternoon.

e is crazy _____ the film star, whileher brother is crazy _____ surfing.

time of HINI, scientists ____ their spare timeto conduct research on the ways of curing the disease.