There is ________“s” and ________“f”in the word “useful” .
| A．an, a | B．a, an |
| C．an, an | D．a, a |
There _____ a ticket, a lamp and some keys on the table.
| A．are | B．is |
| C．have | D．has |
—How long can I _____ the English workbook?
—For two weeks.
| A．borrow | B．to borrow |
| C．keep | D．to keep |
There is a car _____ the bus.
| A．in front of | B．in the front of |
| C．in the front | D．the front |
—Lily, here are your pens. Please _____.
—OK, Mom.
| A．put away it | B．put it away |
| C．put away them | D．put them away |
—_____ do you play computer games?
—Twice a month.
| A．How long | B．How many |
| C．How often | D．How much |