I was going to pay by cash when it suddenly occurred to me _________ I had left my purse at home.
A. whether B. what
C. that D. where
China’s BeiDou Navigation Satellite System, whose positioning ________ will reach 2.5 meters by 2020, will soon provide services for more countries.
A. accuracy B. category
C. function D. reference
This semester our school offers many optional courses for the students, _______ appeals to many students.
A. each of which B. all of whom
C. each of whom D. all of which
-- I have heard Mr. Morgan will be here at 4:00 pm. next Thursday.
-- No, he _______ at that time.
A. was boarding B. would be boarding
C. will be boarding D. is boarding
It is not surprising that she was elected ______ monitor ;she is ______ very smart girl who has the ability to organize the class well.
A. /; the B. /; a
C. a;a D. the;/
-- What about the two of us going downtown?
-- ___________ . I have spending time hanging around.
A. That suits me fine B. Why not
C. It depends on the weather D. Well, that's the last thing I will do
