Simon has gone abroad to have ____________ European tour.— Oh, really It must be ____________ unusual trip for him.

do you like—Apples.

It may be 5 or 10 years __________ it is possible forpeople to find a space station on the moon

these poisonous products ________ can cause the symptoms of the flu, such as headache and aching muscles.

Our teacher told us that light _____ much faster than sound.