He is fourteen _____ old.[ ]A. yearB. /C. year"sD. years
题型：同步题难度：来源：
| He is fourteen _____ old. |
| [ ] |
A. year
B. /
C. year"s
D. years |
答案
| D |
举一反三
| Do you have two ________. |
| [ ] |
A. pencil case
B. pencils case
C. pencil cases
D. pencils cases |
| It’s time to play . |
| [ ] |
A. the football
B. games
C. a balls
D. a footballs |
| Found: a set of ______. |
| [ ] |
A. key
B. keys
C. keies |
| A set of __________ on the table. |
| [ ] |
A. key is
B. keys is
C. keys are
D. key are |
| We need one ping-pong ball and two _________. |
| [ ] |
A. ping-pong bat
B. ping-pongs bat
C. ping-pong bats
D. ping-pongs bats |
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