--- Be careful! Don’t forget you are on a ladder.
--- But you are holding it for me, nothing .
| A．worry about | B．to worry about | C．is worried about | D．worrying about |
—You couldn’t have chosen any ________gift for me.
—I’m glad you like it so much.
| A．bad | B．worse |
| C．nice | D．nicer |
Look at the terrible situation I am in！If only I ________ your advice.
| A．follow | B．had followed |
| C．would follow | D．have followed |
The captain urged that the mission ________ before dark.
| A．must be finished | B．be finished |
| C．ought to be finished | D．was finished |
The workers will go on strike if the demands they ________ put forward are turned down.
| A．could | B．would |
| C．/ | D．Had. |
—Is Jack on duty today?
—It ________ be him. It’s his turn tomorrow.
| A．mustn’t | B．won’t |
| C．can’t | D．needn’t |