Mum, have you seen my mobile phone?—The one you bought last week? I’m sorry I haven’t seen ________.
Although it seemed to be ______ uncomfortable experience, he still found it ______ fun to learn diving.
______ you leave so soon?-Yes. I have to catch my plane.
A great explosion _______ in a chemical factory in Hangzhou several months ago.
Excuse me, could you please tell me if the match will be held on time? —It depends on the weather. If it rains tomorrow, we’ll have to ______ it ______.