He hasn't got any hobbies─_______you call watching TV a hobby.
A. unless
B. but
C. although
D. so
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She was walking along the street ______ she met her former math teacher.
A. while
B. thus
C. when
D. however
I have a headache ,______ I can't go to your party
A. but
B. then
C. therefore
D. when
Mr Smith’s plane _______ . Let’s wait for him here .
A. hasn’t arrived
B. didn’t arrive
C. doesn’t arrive
D. couldn’t arrive
Almost all the water _______ gone . Please save water !
A. are
B. is
C. have
D. were
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