The Tower of London is _______ the Church Tower.
| A．twice the height of | B．twice high than |
| C．twice as higher as | D．two times as high as |
Why not seize it _______ you’ve got such a good chance?
| A．now that | B．that | C．where | D．which |
You can’t imagine ______ when they received these nice Christmas presents.
| A．how they were excited | B．how excited they were |
| C．how excited were they | D．they were how excited |
My new pen ______. Who ______ have taken it?
| A．has been disappeared; can | B．has disappeared; could |
| C．is missing; should | D．has been lost; may |
— Can I smoke here?
— Sorry. We don’t allow ______ here.
| A．people smoking | B．people smoke | C．to smoke | D．smoking |
— Where is my dictionary?
— You ______ it in the wrong place.
| A．must | B．should have put | C．might put | D．might have put |