______ of his time ______ been spent on studies every day.
| A．Four-fifths; has | B．Four-fifths; have |
| C．Four-five; has | D．Fourths-five; have |
The sentence structure of ‘A baby panda is drinking her mother’s milk.’ is.
| A．S+V+IO+DO | B．S+V+P | C．S+V+DO+OC | D．S+V+O |
—_______have you known each other? —Since we were in our childhood．
| A．How far | B．How often |
| C．How long | D．How soon |
—I felt _____ last night and then I fell _____ quickly. — I think you need more rest.
| A．asleep; asleep | B．sleepy; asleep |
| C．sleepy; sleepy | D．asleep; sleepy |
We should tell hunters _______tigers.
| A．don’t kill | B．not kill |
| C．not to kill | D．killing |
The big trees __________ some shade __________ us.
| A．provided; with | B．offered; for |
| C．offered; with | D．provided; for |