Give the correct form of the word given to complete the sentence 1) Mr. Charles Green was commissioned to conduct the.... observations ( astronomy) 2) Astronauts wash their hair with.... shampoo that does not need water ( rinse) 3) The tenants are always..... in paying the rent ( punctuality) 4) The computer performs the whole.....in less then three seconds ( operate) 5) Employing part time staff gives companies greater...... ( flexible) 6) Pollution is a threat to the..... environment ( globe) 7) Charles won the highest prize in a speaking........ last week ( compete) 8) The area has good natural...... ( drain) 9) How many........metres of water are needed to fill the tank? ( cube) 10) She is a designer of extraordinary....... (versatile ) * Gíup mk vs mk cần gấp