一、单项选择。 1. John didn ’ t give up looking for a job ________ he got an offer from a German company. A. until B. since C. because 2 . Children are not allowed ________ in the river. A . to swim B . swim C . Swimming 3 . — ________ Mr.Green was very tired , he stayed up late to finish his work. — How hard - working he is! A. If B . Unless C . Although 4 . — Do you like your new neighbors? — No.The ________ between us are getting worse , I think. A. results B . invitations C . relations 5 . Linda offered________ her seat to the old man on the bus. A . give B . gives C . to give 6 . — Did you call her up last night? — No , I didn't.I wrote her a letter ________. A. instead B . yet C . Either 7 . The librarian told me that I could ________ these magazines for three days. A . borrow B . buy C . keep 8 . — I think students should spend time with friends doing their homework. — I ________. They would talk ________ doing homework. A . agree ; instead of B . agree ; without C . disagree ; instead of 9 . Jack competed ________ David for the monitor( 班长 ) at the meeting yesterday. A . on B . with C . in 1 0 . I ________ believe it ________ I see it with my own eyes. A . won't ; and B . won't ; until C . will ; but AACCC ACCBB 二、 选词填空。