__________ my sister three times today but her line was always busy every time I phoned her then.
| A．I'd phoned | B．I've been phoning | C．I've phoned | D．I was phoning |
The supermarket _______ that the customer should pay for the damage.
| A．demands | B．requires |
| C．requests | D．needs |
Don’t be afraid of asking for help _______ it is needed.
| A．unless | B．though |
| C．although | D．when |
——Mr Smith looks rather a kind man.
——But in fact he is cold and hard on us. You ____ believe it!
| A．shouldn't | B．wouldn't |
| C．mustn't | D．needn't |
I spent five hours repairing the car. The work was ____ simple.
| A．nothing but | B．anything but |
| C．something of | D．all except |
The car ____ at the present speed until it reaches the foot of the mountain at about ten o'clock tonight.
| A．went | B．is going |
| C．goes | D．will be going |