We HAVE TO (to have) to study different subjects at our department.
2. I am very glad you COULD (to be able) to come.
3. They HAD TO (must) wait as the manager was out.
4. I WILL HAVE TO (to have) to stay in the office tomorrow to look through the contract.
5. Mr. Brown WILL BE ABLE TO (to be able) to clarify all the matters with the manufacturer
next week only.
1) came
2)of
3)been
4)doesn't
5)almost(не точно)
6)have
7)considering
8)did
9)mine
10)to
1 on on 2 at at in 3 at 4 at 5 at 6 on 7 on 8 in in 9 in 10 in on 11 at 12 at 13 at
Because
that's why
because of
that's why
because
because