Mr. Brown’s condition looks very serious and it is doubtful if he will ________.
| A．pull back | B．pull up | C．pull through | D．pull out |
It’s high time we _______ to the theater.
| A．will | B．shall | C．are going to | D．went |
Let’s clean the classroom, ________?
| A．won’t you | B．shall we | C．do we | D．will not you |
— My sons are not a little restless.
— Oh? Boys _______ be boys.
| A．should | B．can | C．may | D．will |
— Why didn’t you give a hand to the boy?
— I _______, but he strggled to his feet before I tried to.
| A．would like to have | B．would like to |
| C．would rather to have | D．would better |
—You didn’t invite Mary to the ball?
—____ her, too?
| A．Must I invite | B．Should I have invited |
| C．Must I have invited | D．Should I invite |