(2013·高考山东卷)There is no simple answer，________ is often the case in science.

A．as? B．that

C．when?? D．where

(2013·高考山东卷)—Oh no! We’re too late.The train ________.

—That’s OK.We’ll catch the next train to London.

A．was leaving? B．had left

C．has left?? D．has been leaving

(2013·高考山东卷)________ at the cafeteria before，Tina didn’t want to eat there again.

A．Having eaten?? B．To eat

C．Eat?? D．Eating

(2013·高考山东卷)—This is a really lively party.There’s a great atmosphere，isn’t there?

—________.The hosts know how to host a party.

A．Don’t worry? B．Yes，indeed

C．No，there isn’t?? D．It all depends

(2013·高考山东卷)I didn’t think I’d like the movie，but actually it ________ pretty good.

A．has been?? B．was

C．had been?? D．would be