Maybe you left your keys in the kitchen. (MIGHT) You ....................... your keys in the kitchen.

He called the police last night. (CALL) He ................. to the police last night.

They must think of a better plan than that. (COME) They'll have ................... a better plan than that.

Wearing a helmet is compulsory when you go roller skating. (HAVE) You ..................... a helmet when you go roller skating.

Answering this email is not necessary. (NEED) You ............... this email.

I read the instructions twice because I wanted to be certain that I understood them. (MAKE) I ............ that I understood the instructions, so I read them twice.

The boy says he doesn't know anything about the missing money. (CLAIMS) The boy ................... anything about the missing money.

I'm not going home in the rain. (UNTIL) I won't go home ................ raining.

People think that church is over a century old. (THOUGHT) That church ...................... over a century old.

We must leave early tomorrow morning, because the weather will get bad later on. (OUT) We need ..................... early tomorrow morning, because the weather will get bad later on.

Someone is cleaning up our garden next week. (CLEANED) We ............... up next week.

It is possible that Maria didn't get your message. (MAY) Maria ....................... your message.