—He always appears to ________．
—That's because he's really knowledgeable and experienced.
A. make an effort B. have a point
C. pull together D. take place
I took her bag instead of mine ________．
A. by mistakes B. by mistake
C. with mistake D. with mistakes
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
