—Susan，would you like to go hiking with us this afternoon？
—I’d love to，but I________study for a test．
A．may
B．have to
C．can
The Blacks will be back from their holiday ______two days.
| A．for | B．later | C． in | D．behind |
If he _____ free tomorrow , he ______ to see me .
| A．will be; will come | B．has ; comes |
| C．is；will come | D．is; comes |
She said _______ others changed her life .
| A．help | B．helps | C．helping | D．helped |
My friend _______ well in English , so she often helps me with my projects .
| A．do | B． does | C．is doing | D．are doing |
While he ________ his homework , his mother came in.
| A．does | B．did | C．was doing | D．do |