Several weeks had gone by ________ I realized the painting was missing.
A.as B.since C.when D.before
They were ______ little children that they didn’t know what to do.
A.so B.such C.as D.too
David asked to be ________ in that foreign bank but was refused for his poor health.
A.interviewed B.introduced C.educated D.employed
The box ________ all the books you need, ________ an English-English dictionary.
A.contains; to include B.contains; including
C.includes; contained D.includes; containing
Some insects take on the color of their surroundings to ________ themselves.
A.pretend B.prevent C.protect D.proceed
Although I spoke to him many times, he never took any ________ of what I said.
A.remark B.sight C.attention D.notice