______ there are living creatures in the outer space as those on Earth hasn’t been proved until
now.
| A．How | B．When | C．Where | D．Whether |
Being able to speak another language well is a great _____ when you're looking for a job．
| A．advantage | B．chance | C．assistant | D．importance |
Few pleasures can equal ______ of a cool drink on a hot day.
| A．some | B．any | C．that | D．those |
---- “Haveyou seen _____ pen? I left it here this morning.”
----- “Is it _____ black one? I think I saw it somewhere.”
| A．a, the | B．the, the | C．a, a | D．the, a |
Mrs. Brown was much disappointed to see the washing machine she had had____ went wrong again.
| A．it | B．it repaired | C．repaired | D．to be repaired |
___ smoking here will be fined.
| A．Who | B．Whoever | C．Anyone | D．Who ever |