—Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?

—I’d love to, but nobody knows if he _______ free then.

A. will             B. is               C. will be          D. has been

---Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?

---I’d love to, but nobody knows if he ______ free then.

1. A.
   will
2. B.
   is
3. C.
   will be
4. D.
   has been

—Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?
—I’d love to, but nobody knows if he _______ free then.

—Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?
—I’d love to, but nobody knows if he _______ free then

1. A.
   will
2. B.
   is
3. C.
   will be
4. D.
   has been

Nobody knows if he will marry Julia. But he says if he ___________ her, he will tell us

1. A.
   marries
2. B.
   will marry
3. C.
   marry