（ ） relatively costly, the engine is highly efficient and needs servicing infrequently.

Do you mean this is the_____decision you have made after thinking for hours?

Mr. Green said his clients _____ our samples by the end of last month.

（ ） that the trade between the two countries reached its highest point.

This is the very house （ ） my grandpa lived before his death in 1980.

You should respect others’ opinions, and at the same time you should insist on （ ） you believe is right.

_____ dictionary is enough for me.

He spoke so quickly that I didn’t_____what he said.

The authority urged the rebellious party to _____ their arms and come back to the negotiating table.

He （ ） yesterday morning, and would stay for three days.

（ ） singer and （ ） dancer is also good at drawing.

If the wounded soldier had been given first_____, he would not have died.