It was only with the help of the local guide ______.

It is said that Mr Wang has won first place in the English contest for teachers.—________ and ________ one day.

In fact the Swede did not understandthe three questions ____ were asked in French.

Studies show that people are more______ to suffer from back problems if they always sit before computer screens for long hours.

Eric is not going to Nanjing by _____ plane. Instead, he is taking _____ train.