---Mum, have you seen my mobile phone? ---_______ you bought last week? I’m afraid I haven’t seen _______.
They’re arguing on who, on earth, is known for the great discovery penicillin, an effective bacteria killer.
—You seem not to be today, Jane. What’s up? —in particular; only a little headache .
These two countries are similar they both have a high snowfall during winter.
Although Jane agrees with me on most points , there was one on which she was unwilling to .
Many activities in the shop, _______ many different types of interest, are planned _______ its out-of-date goods.