I ________ Tom has made a mistake．

A．am thinking

B．shall think

C．think

D．have been thinking

________ you ________ to the 6∶30 broadcast?

A．Have; listened

B．Did; listen

C．Had; listened

D．would; listen

If it ________ tomorrow, we won’t go to the school farm．

A．is to rain

B．will be raining

C．will rain

D．rains

She told us she had met you in London last year．________ you ________ her since?

A．Had; met

B．Did; see

C．Would; meet

D．Have; seen

We ________ a meeting from 2 to 4 yesterday afternoon．

A．had had

B．would have

C．were having

D．had

They ________ here for more than a month．

A．have arrived

B．have reached

C．have come

D．have been

The fence ________ near the window．

A．stand

B．is standing

C．have stood

D．stands

I didn’t know when they ________ again．

A．came

B．were coming

C．had come

D．had been coming

They will go to work in the countryside when they ________ school next year．

A．will leave

B．will have leave

C．are leaving

D．leave

They ________ to help but could not get here in time．

A．had wanted

B．have wanted

C．was wanting

D．want