A. pig B. carriage C. coal D. laptop A. crayon holder B. accidentally C. ordnance D. constant A. pass on B. arise C. press D. upon A. wriggle B. receiver C. investigate D. enormous A. space B. bus driver C. muddy D. jet A. help oneself B. sweep up C. shirt pocket D. headache A. strychnine B. steward C. Antarctica D. continent A. oar B. overweight C. instant D. democratic A. take sb temperature B. previous C. cow D. hole A. able B. typewriter C. roadwork D. Mid-Autumn Festival