The child doesn’t need any help. He is old enough to ______ himself.
| A．put on | B．wear | C．dress | D．have on |
You are sure to fail the test _________ you spend more time doing something helpful.
| A．because | B．but |
| C．when | D．unless |
--There __________ a big lake near my house. But it’s gone now.
--That’s too bad.
| A．used to have | B．used to be |
| C．will have | D．will be |
– Why do you like the boy so much, Sophia?
– Because he is trying __________ best to catch up with others this term.
| A．he | B．him |
| C．his | D．her |
Paper is made ____________ wood. So saving paper is saving forests.
| A．of | B．from |
| C．into | D．up |
The light bulb is really __________ useful invention.
| A．a | B．an |
| C．the | D．/ |