Tommy, don't make a noise! ________ you have any questions, please put up your hands.
A.Before B.If C.Though D.Until
My mother was cooking in the kitchen ________ I came home.
A.after B.while C.when D.until
(2018邢台二模) You'd better bring a sweater ________ it is cold there in the evening.
A.unless B.because C.when D.if
(2018邢台二模) I bought my friend a birthday present, ________ he liked it very much.
A.or B.but C.and D.so
(2018承德双桥区一模) A tourist will easily lose his way in a new city ________ he has a map or a guide.
A.if B.because C.unless D.when
(2018秦皇岛一模)Simon thinks the math question is difficult, ________ Lucy thinks it is easy.
A.and B.or C.so D.but
