At least more than 300 million people are using QQ ________ by Ma Huateng to chat online.
A. created B. was created
C. is created D. creating
Last night we didn’t have supper _______ my father came back home.
A. if B. until C. though D. because
—How long did Robert stay in San Francisco?
—For _______ three weeks.
A. hardly B. usually C. nearly D. mostly
--- Can you sing the English song?
--- Yes, a little. It on the radio yesterday.
A. taught B. is taught
C. was taught D. taughting
--- "Frog", Mo Yan's latest novel, please!
--- Sorry, it just now. But it will come out again soon.
A. sold out B. is sold out C. has sold out D. was sold out
—Did you go to Linda’s birthday party, Jill?
—No. I ______.
A. didn’t invite B. wasn’t invited
C. am not invited D. haven’t invited
