— I haven’t seen you for ages.
— Come over for a chat so we can ______ each other’s news.
A.live up to B.end up with C.catch up on D.hold on to
This new product, containing no _____ flavors and coloring agents, attracts a number of white-collar clerks.
A.authentic B.diverse C.conventional D.artificial
Why do many students stick to private tutoring _____ they could easily master such knowledge at school?
A.unless B.before C.after D.when
The Floreana tortoise, once considered to ______, is being brought back from the dead with careful conservation.
A.be wiped out B.have been wiped out C.wipe out D.have wiped out
While early literacy skills are important for a child’s growth, there are some ______ doubt whether we are forcing our kids to read too early.
A.whose B.which C.what D.who
All the staff of the company, who ______ extra hours these days, hope to finish the project as scheduled.
A.will work B.have been working C.were working D.have worked
