-- Jimmy had a lot of parties recently.-- Yes, that might ______ why he didn’t do well on the test.
We all know that, __________, the situation will get worse.
---How’s your tour around the North Lake? Is it beautiful? ---It ________ be, but it is now heavily polluted.
I won’t call you, ________ something unexpected happens.
---The last one __________________ pays the meal. ---Agreed!
---It’s a long time since I saw my sister. ---_______________ her this weekend?