Three ________ five is equal to eight．

A．add to

B．added to

C．add up

D．added up to

You had better get the bike ________, or it will get you into trouble．

A．to repair

B．repairing

C．repaired

D．repair

I ________ have been more than six years old when the accident happened．

A．shouldn't

B．couldn't

C．mustn't

D．needn't

He ________ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside．

A．should

B．must

C．couldn't

D．can't

Mr．White ________ at 8∶30 for the meeting, but he didn't show up．

A．should have arrived

B．should arrive

C．should have had arrived

D．should be arriving

Many students signed up for the ________ race in the sports meeting to be held next week．

A．800-metre-long

B．800-metres-long

C．800 metre length

D．800 metres length

I've won a holiday for two weeks to Florida．I ________ my mum．

A．am taking

B．have taken

C．take

D．will have taken

The flowers his friend gave him will die unless ________ every day．

A．watered

B．watering

C．water

D．to water

The engine of the ship was out of order and the bad weather ________ the helplessness of the crew at sea．

A．added to

B．resulted from

C．turned out

D．made up

He turned off the light, ________ nothing．

A．leave

B．leaves

C．left

D．leaving