Before going abroad he devoted all he could _______ his oral English.
Is this the young engineer ________ you want to have ________ the computer for me?
He stood last but one among the twenty interviewees, _________, he failed the interview.
It’s in the city________ you are going to pay a visit to ________this kind of beer is produced.
Most of the problems ______, he has a tight schedule every day.
On March 14, violent crimes of beating, looting and burning in Lhasa of Tibet broke out, _____13 innocent people and with more than 300 _____.