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t C. those D. it4. We are writing to _________ you in the hope of entering into business relations with you.A. get in touch B. approach with C. contact D. contact with5. We feel sorry for the delay that ______ circumstances beyond our control.A. is dued to B. is due to C. due D. dued to 6. This pany has been kept in_______ with us since 1995.A. touch B. line C. relation D. friendship7. We are pleased_______ your inquiry of April 3 for our leather shoes.A. to have B. to receiving C. as received D. receiving8. The paper ________ our cartons is strong and waterproof.A. lines B. lined C. lining D. to line 9. Good morning, this is Xinhua Bookstore, _______?A.