______ the pilots’ strike all flights have had to be cancelledA.As a matter ofB.As a rule

One function of the thermal expansion valve is to________.A.act as a pilot from the soleno

_____ supplies pilot air to control the cylinder air start valves.A.An air compressorB.An

______that the pilot couldnt fly through it.A．The storm so severe wasB．So severe was the s

The pilot lost contact with the military base,______the plane crashed in the desert.A．amon

－－－How did the plan strike you？ －－－It ___,

The workers agreed to ________ the strike if the company would satisfy their demands.A.call forB.cal