I wonder whether the soldier is one of those who _______ abroad to keep peace.
A．has been sent B．have been sent C．have sent D．has sent
---English has a large vocabulary, hasn’t it?
---Yes. _____ more words and expressions and you will find it easier to read and communicate.
A．Know B．Knowing C．To know D．Known
_______ she seems to put on a smiling face every day, she hasn’t really got over the shadow of exam failure.
A．Because B．As C．Whether D．While
If you ask me, I would say that I won’t mind ______abroad to enrich my knowledge.
A．taking B．to take C．to be taken D．being taken
Have you ever ___ to the museum ___ we paid a visit last year?
A．been; which B．been; to which C．gone; which D．gone; to which
Some intelligent and successful people find _____ difficult to succeed in language learning.
A．them B．it C．themselves D．itself
