---When did you see the bird last night?
---It was at about ten thirty ______ I got home.
| A．before | B．when | C．that | D．until |
When you’re learning to play the piano, _______ a good teacher makes a big difference.
| A．have | B．having |
| C．and have | D．if have |
—Is the manager available tomorrow afternoon?
—No, he is busy. Otherwise he ________ the meeting.
| A．had attended | B．would have attended |
| C．would attend | D．could have attended |
— Mum, where is my ball? I remember I put it here yesterday.
— You _______ it in the wrong place.
| A．must put | B．might put |
| C．might have put | D．should have put |
On workday mornings I usually ________ an hour driving to work because of the traffic jam.
| A．spended | B．am spending |
| C．spend | D．will spend |
the website of China Daily, and you will learn more about it.
| A．Having searched | B．Search |
| C．Searching | D．To search |