To be an excellent lecturer, you must be a clear speaker, with a strong and pleasing voice that is fully under your _______.
| A．hand | B．influence |
| C．control | D．authority |
—Are you _____ with the achievements you have made recently?
—Of course， they show my efforts at least.
| A．similar | B．satisfied | C．curious | D．pleasant |
_____ we move the picture over there? Do you think it’ll look better?
| A．What if | B．What about | C．As long as | D．Until |
_________ that he had fallen behind, he tried to work harder.
| A．Realize | B．Realized | C．To realize | D．Having realized |
The White family _____very large. All the family ______ animal lovers.
| A．is; are | B．is; is | C．are; is | D．are; are |
The population of our country at present is ______ that 30 years ago.
| A．as twice large as | B．twice as large as | C．twice as many as | D．as twice much as |