You’ll fail the test______ you work hard.
A．if B．since C．unless D．when
I think students______ to do homework with friends.
A．is allowed B．are allowed
C．should allowed D．should be allowed
---Your mother didn’t go to work this morning, did she?
---______Though she was not feeling well.
A．Yes, she did. B．No, she didn’t.
C．No, she did. D．Yes, she didn’t.
He is too tired ______ any more.
A．not to walk B．to walk C．walking D．not walking
I had a little trouble English grammar.
A．learn B．learned C．learning D．to learn
I need time_____ my computer.
A．to mend B．mending C．mend D．mended
