You should try your best ____ your English.
A.to improve | B.improving | C.improves | D.improve |
I’m afraid I gave you a lot of trouble ________ my stay here.
A.in | B.for | C.during | D.on |
The singing group will have two performances ______ October.
A.after | B.since | C./ | D.for |
The supermarket is open ______ midnight.
A.at | B.on | C.till | D./ |
She didn’t go to work ______ that morning. She slept ______ noon.
A./…till | B.on…till | C.at…at | D./…at |
He was ill _____ a week, and _______ the week he ate almost nothing .
A.for/at | B.for/during | C.during/during | D.for/for |