The growing speed of a plant is influenced by a number of factors, ______ are beyond our control.
| A．most of them | B．most of what | C．most of which | D．most of that |
You are running a fever . You ____ to see the doctor .
| A．need go | B．must have gone | C．should go | D．can go |
We started early that morning in order that we ____ there before noon .
| A．might get | B．may get | C．would get | D．got |
— ____ I go out to play now , Mum ? — No , you ____ .
| A．May ; shouldn''t | B．Can ; needn''t | C．Must ; can''t | D．May ; must |
Help me with this suitcase , ____ you ?
| A．don''t | B．will | C．do | D．shall |
Why ____ you keep on troubling me with such questions while I''m busy ?
| A．could | B．can | C．must | D．will |