Воткните правильную форму глагола.1. The stomach ulcer (to cause) a profuse

Вставьте правильную форму глагола.

1. The stomach ulcer (to cause) a profuse abdominal bleeding.

2. These tablets (to relieve) an unbearable pain in my back.
3. She was wounded because she (not to study) the rules of work with chemicals.

4. Oral administration (to be) slower than other methods and disadvantageous if

time is a factor in therapy.

5. Today the laboratory (to produce) more complex carbohydrates.