—Are these seats available?
—Sorry, sir. The seats ________.
A．have reserved B．are reserved
C．reserved D．are reserving
You have no chance of getting the position. I'm afraid you ________ your time if you apply for it.
A．waste B．have wasted
C．have been wasting D．will be wasting
—Was he still there when you were away to answer the phone?
—There is no doubt about it, but he ________ soon afterwards.
A．had left B．has left
C．is leaving D．left
Since the band announced the release of their new album, the phone hasn't stopped ringing. Many fans ________ to ask about the exact time.
A．were calling B．had called
C．are calling D．call
—The heavy snow hasn't caused any inconvenience to people in Nanjing, has it?
—Yes. Just imagine the city ________ with nearly 20 centimeters of snow one night.
A．has been hit B．was hit
C．had been hit D．is hit
Many grownups ________ challenging conversations with their children later this month to help them recover from the panic.
A．have had B．have
C．will be having D．will have had
