Occasions are quite rare ________ I have time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
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 |
She spends her money______ books ______ on clothes.
| A．on; instead | B．in; instead |
| C．in; more than | D．on; rather than |