The food shows no sign of______.A.touchedB.being touchedC.having been touchedD.having touc

The story shows that President Coolidge__________ ．A.was always quiet，and had no sense of

There is always the ____of an earthquake in this region, but so far there has been no sign

The public cannot make informed choices of what food they buy because______.A．there is no

Soon after the shooting, "No Trespassing" signs appeared in ______ colors around the prese

The sign “No Smoking”means “You ______ smoke here.”A: can’tB: needn’tC: won’tD: mustn’t

The sign “No Smoking”means “You ______ smoke here.”A: mustn ’tB: won’tC: can’tD: needn’