I’ll give you a call if he _____ tonight.
—What do you usually do _____ weekdays after school? —I usually read books. A. in B. at C. on
The boy likes playing _____ basketball very much. A. a B. an C. /
Mary said she ______ to school the next Sunday.
If he ________ harder, he’ll catch up with us.
I'll catch up with Lucy before she ________ the finishing line.