| A．will give | B．will have given | C．shall give | D．shall have given |
| A．is raining | B．rains | C．has rained | D．has been rained |
| A．have gone | B．have been gone | C．have been going | D．are being gone |
| A．has been rained | B．does rain | C．rains | D．is rained |
| A．has not yet graded | B．has not yet been graded |
| C．is not yet to be graded | D．is not yet graded |
| A．Were you wearing | B．Have you worn |
| C．Did you wear | D．Do you wear |
| A．are built | B．build | C．have built | D．have been built |
| A．are being worked | B．are working | C．have been working | D．have been worked |
| A．had only covered | B．covered | C．would only cover | D．would be only covered |
| A．are leaving | B．are being left | C．will have left | D．will be left |
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